520694020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19889}}^1$

素因数の和:19933

約数の個数: 96

約数和(自身を含む): 1443536640

約数和(自身を除く): 922842620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 770, 935, 1190, 1309, 1540, 1870, 2380, 2618, 3740, 5236, 6545, 13090, 19889, 26180, 39778, 79556, 99445, 139223, 198890, 218779, 278446, 338113, 397780, 437558, 556892, 676226, 696115, 875116, 1093895, 1352452, 1392230, 1531453, 1690565, 2187790, 2366791, 2784460, 3062906, 3381130, 3719243, 4375580, 4733582, 6125812, 6762260, 7438486, 7657265, 9467164, 11833955, 14876972, 15314530, 18596215, 23667910, 26034701, 30629060, 37192430, 47335820, 52069402, 74384860, 104138804, 130173505, 260347010, 520694020]

約数ペア:

[(1, 520694020), (2, 260347010), (4, 130173505), (5, 104138804), (7, 74384860), (10, 52069402), (11, 47335820), (14, 37192430), (17, 30629060), (20, 26034701), (22, 23667910), (28, 18596215), (34, 15314530), (35, 14876972), (44, 11833955), (55, 9467164), (68, 7657265), (70, 7438486), (77, 6762260), (85, 6125812), (110, 4733582), (119, 4375580), (140, 3719243), (154, 3381130), (170, 3062906), (187, 2784460), (220, 2366791), (238, 2187790), (308, 1690565), (340, 1531453), (374, 1392230), (385, 1352452), (476, 1093895), (595, 875116), (748, 696115), (770, 676226), (935, 556892), (1190, 437558), (1309, 397780), (1540, 338113), (1870, 278446), (2380, 218779), (2618, 198890), (3740, 139223), (5236, 99445), (6545, 79556), (13090, 39778), (19889, 26180)]