257932400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 180

約数和(自身を含む): 709979112

約数和(自身を除く): 452046712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 61, 62, 80, 88, 100, 110, 122, 124, 155, 176, 200, 220, 244, 248, 275, 305, 310, 341, 400, 440, 488, 496, 550, 610, 620, 671, 682, 775, 880, 961, 976, 1100, 1220, 1240, 1342, 1364, 1525, 1550, 1705, 1891, 1922, 2200, 2440, 2480, 2684, 2728, 3050, 3100, 3355, 3410, 3782, 3844, 4400, 4805, 4880, 5368, 5456, 6100, 6200, 6710, 6820, 7564, 7688, 8525, 9455, 9610, 10571, 10736, 12200, 12400, 13420, 13640, 15128, 15376, 16775, 17050, 18910, 19220, 20801, 21142, 24025, 24400, 26840, 27280, 30256, 33550, 34100, 37820, 38440, 41602, 42284, 47275, 48050, 52855, 53680, 58621, 67100, 68200, 75640, 76880, 83204, 84568, 94550, 96100, 104005, 105710, 117242, 134200, 136400, 151280, 166408, 169136, 189100, 192200, 208010, 211420, 234484, 264275, 268400, 293105, 332816, 378200, 384400, 416020, 422840, 468968, 520025, 528550, 586210, 644831, 756400, 832040, 845680, 937936, 1040050, 1057100, 1172420, 1289662, 1465525, 1664080, 2080100, 2114200, 2344840, 2579324, 2931050, 3224155, 4160200, 4228400, 4689680, 5158648, 5862100, 6448310, 8320400, 10317296, 11724200, 12896620, 16120775, 23448400, 25793240, 32241550, 51586480, 64483100, 128966200, 257932400]

約数ペア:

[(1, 257932400), (2, 128966200), (4, 64483100), (5, 51586480), (8, 32241550), (10, 25793240), (11, 23448400), (16, 16120775), (20, 12896620), (22, 11724200), (25, 10317296), (31, 8320400), (40, 6448310), (44, 5862100), (50, 5158648), (55, 4689680), (61, 4228400), (62, 4160200), (80, 3224155), (88, 2931050), (100, 2579324), (110, 2344840), (122, 2114200), (124, 2080100), (155, 1664080), (176, 1465525), (200, 1289662), (220, 1172420), (244, 1057100), (248, 1040050), (275, 937936), (305, 845680), (310, 832040), (341, 756400), (400, 644831), (440, 586210), (488, 528550), (496, 520025), (550, 468968), (610, 422840), (620, 416020), (671, 384400), (682, 378200), (775, 332816), (880, 293105), (961, 268400), (976, 264275), (1100, 234484), (1220, 211420), (1240, 208010), (1342, 192200), (1364, 189100), (1525, 169136), (1550, 166408), (1705, 151280), (1891, 136400), (1922, 134200), (2200, 117242), (2440, 105710), (2480, 104005), (2684, 96100), (2728, 94550), (3050, 84568), (3100, 83204), (3355, 76880), (3410, 75640), (3782, 68200), (3844, 67100), (4400, 58621), (4805, 53680), (4880, 52855), (5368, 48050), (5456, 47275), (6100, 42284), (6200, 41602), (6710, 38440), (6820, 37820), (7564, 34100), (7688, 33550), (8525, 30256), (9455, 27280), (9610, 26840), (10571, 24400), (10736, 24025), (12200, 21142), (12400, 20801), (13420, 19220), (13640, 18910), (15128, 17050), (15376, 16775)]