140217980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1831}}^1$

素因数の和:2394

約数の個数: 48

約数和(自身を含む): 337322496

約数和(自身を除く): 197104516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1094, 1831, 2188, 2735, 3662, 3829, 5470, 7324, 7658, 9155, 10940, 12817, 15316, 18310, 19145, 25634, 36620, 38290, 51268, 64085, 76580, 128170, 256340, 1001557, 2003114, 4006228, 5007785, 7010899, 10015570, 14021798, 20031140, 28043596, 35054495, 70108990, 140217980]

約数ペア:

[(1, 140217980), (2, 70108990), (4, 35054495), (5, 28043596), (7, 20031140), (10, 14021798), (14, 10015570), (20, 7010899), (28, 5007785), (35, 4006228), (70, 2003114), (140, 1001557), (547, 256340), (1094, 128170), (1831, 76580), (2188, 64085), (2735, 51268), (3662, 38290), (3829, 36620), (5470, 25634), (7324, 19145), (7658, 18310), (9155, 15316), (10940, 12817)]