71378416460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{949939}}^1$

素因数の和:949995

約数の個数: 72

約数和(自身を含む): 171479369040

約数和(自身を除く): 100100952580

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 1105, 1156, 1445, 2210, 2890, 3757, 4420, 5780, 7514, 15028, 18785, 37570, 75140, 949939, 1899878, 3799756, 4749695, 9499390, 12349207, 16148963, 18998780, 24698414, 32297926, 49396828, 61746035, 64595852, 80744815, 123492070, 161489630, 209936519, 246984140, 274532371, 322979260, 419873038, 549064742, 839746076, 1049682595, 1098129484, 1372661855, 2099365190, 2745323710, 3568920823, 4198730380, 5490647420, 7137841646, 14275683292, 17844604115, 35689208230, 71378416460]

約数ペア:

[(1, 71378416460), (2, 35689208230), (4, 17844604115), (5, 14275683292), (10, 7137841646), (13, 5490647420), (17, 4198730380), (20, 3568920823), (26, 2745323710), (34, 2099365190), (52, 1372661855), (65, 1098129484), (68, 1049682595), (85, 839746076), (130, 549064742), (170, 419873038), (221, 322979260), (260, 274532371), (289, 246984140), (340, 209936519), (442, 161489630), (578, 123492070), (884, 80744815), (1105, 64595852), (1156, 61746035), (1445, 49396828), (2210, 32297926), (2890, 24698414), (3757, 18998780), (4420, 16148963), (5780, 12349207), (7514, 9499390), (15028, 4749695), (18785, 3799756), (37570, 1899878), (75140, 949939)]