561962500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 1383286464

約数和(自身を除く): 821323964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 61, 67, 100, 110, 122, 125, 134, 220, 244, 250, 268, 275, 305, 335, 500, 550, 610, 625, 670, 671, 737, 1100, 1220, 1250, 1340, 1342, 1375, 1474, 1525, 1675, 2500, 2684, 2750, 2948, 3050, 3125, 3350, 3355, 3685, 4087, 5500, 6100, 6250, 6700, 6710, 6875, 7370, 7625, 8174, 8375, 12500, 13420, 13750, 14740, 15250, 16348, 16750, 16775, 18425, 20435, 27500, 30500, 33500, 33550, 34375, 36850, 38125, 40870, 41875, 44957, 67100, 68750, 73700, 76250, 81740, 83750, 83875, 89914, 92125, 102175, 137500, 152500, 167500, 167750, 179828, 184250, 190625, 204350, 209375, 224785, 335500, 368500, 381250, 408700, 418750, 419375, 449570, 460625, 510875, 762500, 837500, 838750, 899140, 921250, 1021750, 1123925, 1677500, 1842500, 2043500, 2096875, 2247850, 2303125, 2554375, 4193750, 4495700, 4606250, 5108750, 5619625, 8387500, 9212500, 10217500, 11239250, 12771875, 22478500, 25543750, 28098125, 51087500, 56196250, 112392500, 140490625, 280981250, 561962500]

約数ペア:

[(1, 561962500), (2, 280981250), (4, 140490625), (5, 112392500), (10, 56196250), (11, 51087500), (20, 28098125), (22, 25543750), (25, 22478500), (44, 12771875), (50, 11239250), (55, 10217500), (61, 9212500), (67, 8387500), (100, 5619625), (110, 5108750), (122, 4606250), (125, 4495700), (134, 4193750), (220, 2554375), (244, 2303125), (250, 2247850), (268, 2096875), (275, 2043500), (305, 1842500), (335, 1677500), (500, 1123925), (550, 1021750), (610, 921250), (625, 899140), (670, 838750), (671, 837500), (737, 762500), (1100, 510875), (1220, 460625), (1250, 449570), (1340, 419375), (1342, 418750), (1375, 408700), (1474, 381250), (1525, 368500), (1675, 335500), (2500, 224785), (2684, 209375), (2750, 204350), (2948, 190625), (3050, 184250), (3125, 179828), (3350, 167750), (3355, 167500), (3685, 152500), (4087, 137500), (5500, 102175), (6100, 92125), (6250, 89914), (6700, 83875), (6710, 83750), (6875, 81740), (7370, 76250), (7625, 73700), (8174, 68750), (8375, 67100), (12500, 44957), (13420, 41875), (13750, 40870), (14740, 38125), (15250, 36850), (16348, 34375), (16750, 33550), (16775, 33500), (18425, 30500), (20435, 27500)]