171445838980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{181}}^1\times {\mathrm{21557}}^1$

素因数の和:21786

約数の個数: 96

約数和(自身を含む): 392198657760

約数和(自身を除く): 220752818780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 181, 260, 338, 362, 676, 724, 845, 905, 1690, 1810, 2197, 2353, 3380, 3620, 4394, 4706, 8788, 9412, 10985, 11765, 21557, 21970, 23530, 30589, 43114, 43940, 47060, 61178, 86228, 107785, 122356, 152945, 215570, 280241, 305890, 397657, 431140, 560482, 611780, 795314, 1120964, 1401205, 1590628, 1988285, 2802410, 3643133, 3901817, 3976570, 5604820, 7286266, 7803634, 7953140, 14572532, 15607268, 18215665, 19509085, 36431330, 39018170, 47360729, 50723621, 72862660, 78036340, 94721458, 101447242, 189442916, 202894484, 236803645, 253618105, 473607290, 507236210, 659407073, 947214580, 1014472420, 1318814146, 2637628292, 3297035365, 6594070730, 8572291949, 13188141460, 17144583898, 34289167796, 42861459745, 85722919490, 171445838980]

約数ペア:

[(1, 171445838980), (2, 85722919490), (4, 42861459745), (5, 34289167796), (10, 17144583898), (13, 13188141460), (20, 8572291949), (26, 6594070730), (52, 3297035365), (65, 2637628292), (130, 1318814146), (169, 1014472420), (181, 947214580), (260, 659407073), (338, 507236210), (362, 473607290), (676, 253618105), (724, 236803645), (845, 202894484), (905, 189442916), (1690, 101447242), (1810, 94721458), (2197, 78036340), (2353, 72862660), (3380, 50723621), (3620, 47360729), (4394, 39018170), (4706, 36431330), (8788, 19509085), (9412, 18215665), (10985, 15607268), (11765, 14572532), (21557, 7953140), (21970, 7803634), (23530, 7286266), (30589, 5604820), (43114, 3976570), (43940, 3901817), (47060, 3643133), (61178, 2802410), (86228, 1988285), (107785, 1590628), (122356, 1401205), (152945, 1120964), (215570, 795314), (280241, 611780), (305890, 560482), (397657, 431140)]