140482020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:770

約数の個数: 144

約数和(自身を含む): 464704128

約数和(自身を除く): 324222108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 355, 420, 426, 490, 497, 588, 673, 710, 735, 852, 980, 994, 1065, 1346, 1420, 1470, 1491, 1988, 2019, 2130, 2485, 2692, 2940, 2982, 3365, 3479, 4038, 4260, 4711, 4970, 5964, 6730, 6958, 7455, 8076, 9422, 9940, 10095, 10437, 13460, 13916, 14133, 14910, 17395, 18844, 20190, 20874, 23555, 28266, 29820, 32977, 34790, 40380, 41748, 47110, 47783, 52185, 56532, 65954, 69580, 70665, 94220, 95566, 98931, 104370, 131908, 141330, 143349, 164885, 191132, 197862, 208740, 238915, 282660, 286698, 329770, 334481, 395724, 477830, 494655, 573396, 659540, 668962, 716745, 955660, 989310, 1003443, 1337924, 1433490, 1672405, 1978620, 2006886, 2341367, 2866980, 3344810, 4013772, 4682734, 5017215, 6689620, 7024101, 9365468, 10034430, 11706835, 14048202, 20068860, 23413670, 28096404, 35120505, 46827340, 70241010, 140482020]

約数ペア:

[(1, 140482020), (2, 70241010), (3, 46827340), (4, 35120505), (5, 28096404), (6, 23413670), (7, 20068860), (10, 14048202), (12, 11706835), (14, 10034430), (15, 9365468), (20, 7024101), (21, 6689620), (28, 5017215), (30, 4682734), (35, 4013772), (42, 3344810), (49, 2866980), (60, 2341367), (70, 2006886), (71, 1978620), (84, 1672405), (98, 1433490), (105, 1337924), (140, 1003443), (142, 989310), (147, 955660), (196, 716745), (210, 668962), (213, 659540), (245, 573396), (284, 494655), (294, 477830), (355, 395724), (420, 334481), (426, 329770), (490, 286698), (497, 282660), (588, 238915), (673, 208740), (710, 197862), (735, 191132), (852, 164885), (980, 143349), (994, 141330), (1065, 131908), (1346, 104370), (1420, 98931), (1470, 95566), (1491, 94220), (1988, 70665), (2019, 69580), (2130, 65954), (2485, 56532), (2692, 52185), (2940, 47783), (2982, 47110), (3365, 41748), (3479, 40380), (4038, 34790), (4260, 32977), (4711, 29820), (4970, 28266), (5964, 23555), (6730, 20874), (6958, 20190), (7455, 18844), (8076, 17395), (9422, 14910), (9940, 14133), (10095, 13916), (10437, 13460)]