210470980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 489888000

約数和(自身を除く): 279417020

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 71, 76, 95, 116, 142, 145, 190, 269, 284, 290, 355, 380, 538, 551, 580, 710, 1076, 1102, 1345, 1349, 1420, 2059, 2204, 2690, 2698, 2755, 4118, 5111, 5380, 5396, 5510, 6745, 7801, 8236, 10222, 10295, 11020, 13490, 15602, 19099, 20444, 20590, 25555, 26980, 31204, 38198, 39005, 39121, 41180, 51110, 76396, 78010, 78242, 95495, 102220, 148219, 156020, 156484, 190990, 195605, 296438, 362881, 381980, 391210, 553871, 592876, 725762, 741095, 782420, 1107742, 1451524, 1482190, 1814405, 2215484, 2769355, 2964380, 3628810, 5538710, 7257620, 10523549, 11077420, 21047098, 42094196, 52617745, 105235490, 210470980]

約数ペア:

[(1, 210470980), (2, 105235490), (4, 52617745), (5, 42094196), (10, 21047098), (19, 11077420), (20, 10523549), (29, 7257620), (38, 5538710), (58, 3628810), (71, 2964380), (76, 2769355), (95, 2215484), (116, 1814405), (142, 1482190), (145, 1451524), (190, 1107742), (269, 782420), (284, 741095), (290, 725762), (355, 592876), (380, 553871), (538, 391210), (551, 381980), (580, 362881), (710, 296438), (1076, 195605), (1102, 190990), (1345, 156484), (1349, 156020), (1420, 148219), (2059, 102220), (2204, 95495), (2690, 78242), (2698, 78010), (2755, 76396), (4118, 51110), (5111, 41180), (5380, 39121), (5396, 39005), (5510, 38198), (6745, 31204), (7801, 26980), (8236, 25555), (10222, 20590), (10295, 20444), (11020, 19099), (13490, 15602)]