87658340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56921}}^1$

素因数の和:56948

約数の個数: 48

約数和(自身を含む): 229509504

約数和(自身を除く): 141851164

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 56921, 113842, 227684, 284605, 398447, 569210, 626131, 796894, 1138420, 1252262, 1593788, 1992235, 2504524, 3130655, 3984470, 4382917, 6261310, 7968940, 8765834, 12522620, 17531668, 21914585, 43829170, 87658340]

約数ペア:

[(1, 87658340), (2, 43829170), (4, 21914585), (5, 17531668), (7, 12522620), (10, 8765834), (11, 7968940), (14, 6261310), (20, 4382917), (22, 3984470), (28, 3130655), (35, 2504524), (44, 1992235), (55, 1593788), (70, 1252262), (77, 1138420), (110, 796894), (140, 626131), (154, 569210), (220, 398447), (308, 284605), (385, 227684), (770, 113842), (1540, 56921)]