407290400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1555

約数の個数: 144

約数和(自身を含む): 1120428288

約数和(自身を除く): 713137888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 155, 160, 176, 200, 220, 248, 275, 310, 341, 352, 400, 440, 496, 550, 620, 682, 775, 800, 880, 992, 1100, 1240, 1364, 1493, 1550, 1705, 1760, 2200, 2480, 2728, 2986, 3100, 3410, 4400, 4960, 5456, 5972, 6200, 6820, 7465, 8525, 8800, 10912, 11944, 12400, 13640, 14930, 16423, 17050, 23888, 24800, 27280, 29860, 32846, 34100, 37325, 46283, 47776, 54560, 59720, 65692, 68200, 74650, 82115, 92566, 119440, 131384, 136400, 149300, 164230, 185132, 231415, 238880, 262768, 272800, 298600, 328460, 370264, 410575, 462830, 509113, 525536, 597200, 656920, 740528, 821150, 925660, 1018226, 1157075, 1194400, 1313840, 1481056, 1642300, 1851320, 2036452, 2314150, 2545565, 2627680, 3284600, 3702640, 4072904, 4628300, 5091130, 6569200, 7405280, 8145808, 9256600, 10182260, 12727825, 13138400, 16291616, 18513200, 20364520, 25455650, 37026400, 40729040, 50911300, 81458080, 101822600, 203645200, 407290400]

約数ペア:

[(1, 407290400), (2, 203645200), (4, 101822600), (5, 81458080), (8, 50911300), (10, 40729040), (11, 37026400), (16, 25455650), (20, 20364520), (22, 18513200), (25, 16291616), (31, 13138400), (32, 12727825), (40, 10182260), (44, 9256600), (50, 8145808), (55, 7405280), (62, 6569200), (80, 5091130), (88, 4628300), (100, 4072904), (110, 3702640), (124, 3284600), (155, 2627680), (160, 2545565), (176, 2314150), (200, 2036452), (220, 1851320), (248, 1642300), (275, 1481056), (310, 1313840), (341, 1194400), (352, 1157075), (400, 1018226), (440, 925660), (496, 821150), (550, 740528), (620, 656920), (682, 597200), (775, 525536), (800, 509113), (880, 462830), (992, 410575), (1100, 370264), (1240, 328460), (1364, 298600), (1493, 272800), (1550, 262768), (1705, 238880), (1760, 231415), (2200, 185132), (2480, 164230), (2728, 149300), (2986, 136400), (3100, 131384), (3410, 119440), (4400, 92566), (4960, 82115), (5456, 74650), (5972, 68200), (6200, 65692), (6820, 59720), (7465, 54560), (8525, 47776), (8800, 46283), (10912, 37325), (11944, 34100), (12400, 32846), (13640, 29860), (14930, 27280), (16423, 24800), (17050, 23888)]