201939790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{331}}^1$

素因数の和:402

約数の個数: 72

約数和(自身を含む): 416664648

約数和(自身を除く): 214724858

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 331, 338, 361, 494, 662, 722, 845, 1235, 1655, 1690, 1805, 2470, 3211, 3310, 3610, 4303, 4693, 6289, 6422, 8606, 9386, 12578, 16055, 21515, 23465, 31445, 32110, 43030, 46930, 55939, 61009, 62890, 81757, 111878, 119491, 122018, 163514, 238982, 279695, 305045, 408785, 559390, 597455, 610090, 817570, 1062841, 1194910, 1553383, 2125682, 3106766, 5314205, 7766915, 10628410, 15533830, 20193979, 40387958, 100969895, 201939790]

約数ペア:

[(1, 201939790), (2, 100969895), (5, 40387958), (10, 20193979), (13, 15533830), (19, 10628410), (26, 7766915), (38, 5314205), (65, 3106766), (95, 2125682), (130, 1553383), (169, 1194910), (190, 1062841), (247, 817570), (331, 610090), (338, 597455), (361, 559390), (494, 408785), (662, 305045), (722, 279695), (845, 238982), (1235, 163514), (1655, 122018), (1690, 119491), (1805, 111878), (2470, 81757), (3211, 62890), (3310, 61009), (3610, 55939), (4303, 46930), (4693, 43030), (6289, 32110), (6422, 31445), (8606, 23465), (9386, 21515), (12578, 16055)]