201630620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 459345600

約数和(自身を除く): 257714980

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 61, 82, 116, 122, 139, 145, 164, 205, 244, 278, 290, 305, 410, 556, 580, 610, 695, 820, 1189, 1220, 1390, 1769, 2378, 2501, 2780, 3538, 4031, 4756, 5002, 5699, 5945, 7076, 8062, 8479, 8845, 10004, 11398, 11890, 12505, 16124, 16958, 17690, 20155, 22796, 23780, 25010, 28495, 33916, 35380, 40310, 42395, 50020, 56990, 72529, 80620, 84790, 113980, 145058, 165271, 169580, 245891, 290116, 330542, 347639, 362645, 491782, 661084, 695278, 725290, 826355, 983564, 1229455, 1390556, 1450580, 1652710, 1738195, 2458910, 3305420, 3476390, 4917820, 6952780, 10081531, 20163062, 40326124, 50407655, 100815310, 201630620]

約数ペア:

[(1, 201630620), (2, 100815310), (4, 50407655), (5, 40326124), (10, 20163062), (20, 10081531), (29, 6952780), (41, 4917820), (58, 3476390), (61, 3305420), (82, 2458910), (116, 1738195), (122, 1652710), (139, 1450580), (145, 1390556), (164, 1229455), (205, 983564), (244, 826355), (278, 725290), (290, 695278), (305, 661084), (410, 491782), (556, 362645), (580, 347639), (610, 330542), (695, 290116), (820, 245891), (1189, 169580), (1220, 165271), (1390, 145058), (1769, 113980), (2378, 84790), (2501, 80620), (2780, 72529), (3538, 56990), (4031, 50020), (4756, 42395), (5002, 40310), (5699, 35380), (5945, 33916), (7076, 28495), (8062, 25010), (8479, 23780), (8845, 22796), (10004, 20155), (11398, 17690), (11890, 16958), (12505, 16124)]