649098380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{43331}}^1$

素因数の和:43454

約数の個数: 48

約数和(自身を含む): 1572431616

約数和(自身を除く): 923333236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 14980, 43331, 86662, 173324, 216655, 303317, 433310, 606634, 866620, 1213268, 1516585, 3033170, 4636417, 6066340, 9272834, 18545668, 23182085, 32454919, 46364170, 64909838, 92728340, 129819676, 162274595, 324549190, 649098380]

約数ペア:

[(1, 649098380), (2, 324549190), (4, 162274595), (5, 129819676), (7, 92728340), (10, 64909838), (14, 46364170), (20, 32454919), (28, 23182085), (35, 18545668), (70, 9272834), (107, 6066340), (140, 4636417), (214, 3033170), (428, 1516585), (535, 1213268), (749, 866620), (1070, 606634), (1498, 433310), (2140, 303317), (2996, 216655), (3745, 173324), (7490, 86662), (14980, 43331)]