2051263242890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{664009}}^1$

素因数の和:664335

約数の個数: 64

約数和(自身を含む): 3958562016000

約数和(自身を除く): 1907298773110

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 229, 355, 458, 710, 1145, 1349, 2290, 2698, 4351, 6745, 8702, 13490, 16259, 21755, 32518, 43510, 81295, 162590, 308921, 617842, 664009, 1328018, 1544605, 3089210, 3320045, 6640090, 12616171, 25232342, 47144639, 63080855, 94289278, 126161710, 152058061, 235723195, 304116122, 471446390, 760290305, 895748141, 1520580610, 1791496282, 2889103159, 4478740705, 5778206318, 8957481410, 10796122331, 14445515795, 21592244662, 28891031590, 53980611655, 107961223310, 205126324289, 410252648578, 1025631621445, 2051263242890]

約数ペア:

[(1, 2051263242890), (2, 1025631621445), (5, 410252648578), (10, 205126324289), (19, 107961223310), (38, 53980611655), (71, 28891031590), (95, 21592244662), (142, 14445515795), (190, 10796122331), (229, 8957481410), (355, 5778206318), (458, 4478740705), (710, 2889103159), (1145, 1791496282), (1349, 1520580610), (2290, 895748141), (2698, 760290305), (4351, 471446390), (6745, 304116122), (8702, 235723195), (13490, 152058061), (16259, 126161710), (21755, 94289278), (32518, 63080855), (43510, 47144639), (81295, 25232342), (162590, 12616171), (308921, 6640090), (617842, 3320045), (664009, 3089210), (1328018, 1544605)]