645780410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{2087}}^1$

素因数の和:2231

約数の個数: 64

約数和(自身を含む): 1325963520

約数和(自身を除く): 680183110

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 97, 110, 145, 194, 290, 319, 485, 638, 970, 1067, 1595, 2087, 2134, 2813, 3190, 4174, 5335, 5626, 10435, 10670, 14065, 20870, 22957, 28130, 30943, 45914, 60523, 61886, 114785, 121046, 154715, 202439, 229570, 302615, 309430, 404878, 605230, 665753, 1012195, 1331506, 2024390, 2226829, 3328765, 4453658, 5870731, 6657530, 11134145, 11741462, 22268290, 29353655, 58707310, 64578041, 129156082, 322890205, 645780410]

約数ペア:

[(1, 645780410), (2, 322890205), (5, 129156082), (10, 64578041), (11, 58707310), (22, 29353655), (29, 22268290), (55, 11741462), (58, 11134145), (97, 6657530), (110, 5870731), (145, 4453658), (194, 3328765), (290, 2226829), (319, 2024390), (485, 1331506), (638, 1012195), (970, 665753), (1067, 605230), (1595, 404878), (2087, 309430), (2134, 302615), (2813, 229570), (3190, 202439), (4174, 154715), (5335, 121046), (5626, 114785), (10435, 61886), (10670, 60523), (14065, 45914), (20870, 30943), (22957, 28130)]