201972280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 488838240

約数和(自身を除く): 286865960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 197, 284, 355, 361, 380, 394, 568, 710, 722, 760, 788, 985, 1349, 1420, 1444, 1576, 1805, 1970, 2698, 2840, 2888, 3610, 3743, 3940, 5396, 6745, 7220, 7486, 7880, 10792, 13490, 13987, 14440, 14972, 18715, 25631, 26980, 27974, 29944, 37430, 51262, 53960, 55948, 69935, 71117, 74860, 102524, 111896, 128155, 139870, 142234, 149720, 205048, 256310, 265753, 279740, 284468, 355585, 512620, 531506, 559480, 568936, 711170, 1025240, 1063012, 1328765, 1422340, 2126024, 2657530, 2844680, 5049307, 5315060, 10098614, 10630120, 20197228, 25246535, 40394456, 50493070, 100986140, 201972280]

約数ペア:

[(1, 201972280), (2, 100986140), (4, 50493070), (5, 40394456), (8, 25246535), (10, 20197228), (19, 10630120), (20, 10098614), (38, 5315060), (40, 5049307), (71, 2844680), (76, 2657530), (95, 2126024), (142, 1422340), (152, 1328765), (190, 1063012), (197, 1025240), (284, 711170), (355, 568936), (361, 559480), (380, 531506), (394, 512620), (568, 355585), (710, 284468), (722, 279740), (760, 265753), (788, 256310), (985, 205048), (1349, 149720), (1420, 142234), (1444, 139870), (1576, 128155), (1805, 111896), (1970, 102524), (2698, 74860), (2840, 71117), (2888, 69935), (3610, 55948), (3743, 53960), (3940, 51262), (5396, 37430), (6745, 29944), (7220, 27974), (7486, 26980), (7880, 25631), (10792, 18715), (13490, 14972), (13987, 14440)]