2789866005680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157797851}}^1$

素因数の和:157797894

約数の個数: 80

約数和(自身を含む): 7396300918944

約数和(自身を除く): 4606434913264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680, 157797851, 315595702, 631191404, 788989255, 1262382808, 1577978510, 2051372063, 2524765616, 2682563467, 3155957020, 4102744126, 5365126934, 6311914040, 8205488252, 10256860315, 10730253868, 12623828080, 13412817335, 16410976504, 20513720630, 21460507736, 26825634670, 32821953008, 34873325071, 41027441260, 42921015472, 53651269340, 69746650142, 82054882520, 107302538680, 139493300284, 164109765040, 174366625355, 214605077360, 278986600568, 348733250710, 557973201136, 697466501420, 1394933002840, 2789866005680]

約数ペア:

[(1, 2789866005680), (2, 1394933002840), (4, 697466501420), (5, 557973201136), (8, 348733250710), (10, 278986600568), (13, 214605077360), (16, 174366625355), (17, 164109765040), (20, 139493300284), (26, 107302538680), (34, 82054882520), (40, 69746650142), (52, 53651269340), (65, 42921015472), (68, 41027441260), (80, 34873325071), (85, 32821953008), (104, 26825634670), (130, 21460507736), (136, 20513720630), (170, 16410976504), (208, 13412817335), (221, 12623828080), (260, 10730253868), (272, 10256860315), (340, 8205488252), (442, 6311914040), (520, 5365126934), (680, 4102744126), (884, 3155957020), (1040, 2682563467), (1105, 2524765616), (1360, 2051372063), (1768, 1577978510), (2210, 1262382808), (3536, 788989255), (4420, 631191404), (8840, 315595702), (17680, 157797851)]