78496180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 195955200

約数和(自身を除く): 117459020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 71, 106, 140, 142, 149, 212, 265, 284, 298, 355, 371, 497, 530, 596, 710, 742, 745, 994, 1043, 1060, 1420, 1484, 1490, 1855, 1988, 2086, 2485, 2980, 3710, 3763, 4172, 4970, 5215, 7420, 7526, 7897, 9940, 10430, 10579, 15052, 15794, 18815, 20860, 21158, 26341, 31588, 37630, 39485, 42316, 52682, 52895, 55279, 74053, 75260, 78970, 105364, 105790, 110558, 131705, 148106, 157940, 211580, 221116, 263410, 276395, 296212, 370265, 526820, 552790, 560687, 740530, 1105580, 1121374, 1481060, 2242748, 2803435, 3924809, 5606870, 7849618, 11213740, 15699236, 19624045, 39248090, 78496180]

約数ペア:

[(1, 78496180), (2, 39248090), (4, 19624045), (5, 15699236), (7, 11213740), (10, 7849618), (14, 5606870), (20, 3924809), (28, 2803435), (35, 2242748), (53, 1481060), (70, 1121374), (71, 1105580), (106, 740530), (140, 560687), (142, 552790), (149, 526820), (212, 370265), (265, 296212), (284, 276395), (298, 263410), (355, 221116), (371, 211580), (497, 157940), (530, 148106), (596, 131705), (710, 110558), (742, 105790), (745, 105364), (994, 78970), (1043, 75260), (1060, 74053), (1420, 55279), (1484, 52895), (1490, 52682), (1855, 42316), (1988, 39485), (2086, 37630), (2485, 31588), (2980, 26341), (3710, 21158), (3763, 20860), (4172, 18815), (4970, 15794), (5215, 15052), (7420, 10579), (7526, 10430), (7897, 9940)]