398424400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 240

約数和(自身を含む): 1133641728

約数和(自身を除く): 735217328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 31, 40, 44, 46, 50, 55, 62, 80, 88, 92, 100, 110, 115, 124, 127, 155, 176, 184, 200, 220, 230, 248, 253, 254, 275, 310, 341, 368, 400, 440, 460, 496, 506, 508, 550, 575, 620, 635, 682, 713, 775, 880, 920, 1012, 1016, 1100, 1150, 1240, 1265, 1270, 1364, 1397, 1426, 1550, 1705, 1840, 2024, 2032, 2200, 2300, 2480, 2530, 2540, 2728, 2794, 2852, 2921, 3100, 3175, 3410, 3565, 3937, 4048, 4400, 4600, 5060, 5080, 5456, 5588, 5704, 5842, 6200, 6325, 6350, 6820, 6985, 7130, 7843, 7874, 8525, 9200, 10120, 10160, 11176, 11408, 11684, 12400, 12650, 12700, 13640, 13970, 14260, 14605, 15686, 15748, 17050, 17825, 19685, 20240, 22352, 23368, 25300, 25400, 27280, 27940, 28520, 29210, 31372, 31496, 32131, 34100, 34925, 35650, 39215, 39370, 43307, 46736, 50600, 50800, 55880, 57040, 58420, 62744, 62992, 64262, 68200, 69850, 71300, 73025, 78430, 78740, 86614, 90551, 98425, 101200, 111760, 116840, 125488, 128524, 136400, 139700, 142600, 146050, 156860, 157480, 160655, 173228, 181102, 196075, 196850, 216535, 233680, 257048, 279400, 285200, 292100, 313720, 314960, 321310, 346456, 362204, 392150, 393700, 433070, 452755, 514096, 558800, 584200, 627440, 642620, 692912, 724408, 784300, 787400, 803275, 866140, 905510, 996061, 1082675, 1168400, 1285240, 1448816, 1568600, 1574800, 1606550, 1732280, 1811020, 1992122, 2165350, 2263775, 2570480, 3137200, 3213100, 3464560, 3622040, 3984244, 4330700, 4527550, 4980305, 6426200, 7244080, 7968488, 8661400, 9055100, 9960610, 12852400, 15936976, 17322800, 18110200, 19921220, 24901525, 36220400, 39842440, 49803050, 79684880, 99606100, 199212200, 398424400]

約数ペア:

[(1, 398424400), (2, 199212200), (4, 99606100), (5, 79684880), (8, 49803050), (10, 39842440), (11, 36220400), (16, 24901525), (20, 19921220), (22, 18110200), (23, 17322800), (25, 15936976), (31, 12852400), (40, 9960610), (44, 9055100), (46, 8661400), (50, 7968488), (55, 7244080), (62, 6426200), (80, 4980305), (88, 4527550), (92, 4330700), (100, 3984244), (110, 3622040), (115, 3464560), (124, 3213100), (127, 3137200), (155, 2570480), (176, 2263775), (184, 2165350), (200, 1992122), (220, 1811020), (230, 1732280), (248, 1606550), (253, 1574800), (254, 1568600), (275, 1448816), (310, 1285240), (341, 1168400), (368, 1082675), (400, 996061), (440, 905510), (460, 866140), (496, 803275), (506, 787400), (508, 784300), (550, 724408), (575, 692912), (620, 642620), (635, 627440), (682, 584200), (713, 558800), (775, 514096), (880, 452755), (920, 433070), (1012, 393700), (1016, 392150), (1100, 362204), (1150, 346456), (1240, 321310), (1265, 314960), (1270, 313720), (1364, 292100), (1397, 285200), (1426, 279400), (1550, 257048), (1705, 233680), (1840, 216535), (2024, 196850), (2032, 196075), (2200, 181102), (2300, 173228), (2480, 160655), (2530, 157480), (2540, 156860), (2728, 146050), (2794, 142600), (2852, 139700), (2921, 136400), (3100, 128524), (3175, 125488), (3410, 116840), (3565, 111760), (3937, 101200), (4048, 98425), (4400, 90551), (4600, 86614), (5060, 78740), (5080, 78430), (5456, 73025), (5588, 71300), (5704, 69850), (5842, 68200), (6200, 64262), (6325, 62992), (6350, 62744), (6820, 58420), (6985, 57040), (7130, 55880), (7843, 50800), (7874, 50600), (8525, 46736), (9200, 43307), (10120, 39370), (10160, 39215), (11176, 35650), (11408, 34925), (11684, 34100), (12400, 32131), (12650, 31496), (12700, 31372), (13640, 29210), (13970, 28520), (14260, 27940), (14605, 27280), (15686, 25400), (15748, 25300), (17050, 23368), (17825, 22352), (19685, 20240)]