140624764

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{293}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 287856576

約数和(自身を除く): 147231812

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 281, 293, 427, 562, 586, 854, 1124, 1172, 1708, 1967, 2051, 3934, 4102, 7868, 8204, 17141, 17873, 34282, 35746, 68564, 71492, 82333, 119987, 125111, 164666, 239974, 250222, 329332, 479948, 500444, 576331, 1152662, 2305324, 5022313, 10044626, 20089252, 35156191, 70312382, 140624764]

約数ペア:

[(1, 140624764), (2, 70312382), (4, 35156191), (7, 20089252), (14, 10044626), (28, 5022313), (61, 2305324), (122, 1152662), (244, 576331), (281, 500444), (293, 479948), (427, 329332), (562, 250222), (586, 239974), (854, 164666), (1124, 125111), (1172, 119987), (1708, 82333), (1967, 71492), (2051, 68564), (3934, 35746), (4102, 34282), (7868, 17873), (8204, 17141)]