1812123500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19381}}^1$

素因数の和:19428

約数の個数: 96

約数和(自身を含む): 4571671104

約数和(自身を除く): 2759547604

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 125, 170, 187, 220, 250, 275, 340, 374, 425, 500, 550, 748, 850, 935, 1100, 1375, 1700, 1870, 2125, 2750, 3740, 4250, 4675, 5500, 8500, 9350, 18700, 19381, 23375, 38762, 46750, 77524, 93500, 96905, 193810, 213191, 329477, 387620, 426382, 484525, 658954, 852764, 969050, 1065955, 1317908, 1647385, 1938100, 2131910, 2422625, 3294770, 3624247, 4263820, 4845250, 5329775, 6589540, 7248494, 8236925, 9690500, 10659550, 14496988, 16473850, 18121235, 21319100, 26648875, 32947700, 36242470, 41184625, 53297750, 72484940, 82369250, 90606175, 106595500, 164738500, 181212350, 362424700, 453030875, 906061750, 1812123500]

約数ペア:

[(1, 1812123500), (2, 906061750), (4, 453030875), (5, 362424700), (10, 181212350), (11, 164738500), (17, 106595500), (20, 90606175), (22, 82369250), (25, 72484940), (34, 53297750), (44, 41184625), (50, 36242470), (55, 32947700), (68, 26648875), (85, 21319100), (100, 18121235), (110, 16473850), (125, 14496988), (170, 10659550), (187, 9690500), (220, 8236925), (250, 7248494), (275, 6589540), (340, 5329775), (374, 4845250), (425, 4263820), (500, 3624247), (550, 3294770), (748, 2422625), (850, 2131910), (935, 1938100), (1100, 1647385), (1375, 1317908), (1700, 1065955), (1870, 969050), (2125, 852764), (2750, 658954), (3740, 484525), (4250, 426382), (4675, 387620), (5500, 329477), (8500, 213191), (9350, 193810), (18700, 96905), (19381, 93500), (23375, 77524), (38762, 46750)]