40503890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 85593024

約数和(自身を除く): 45089134

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 131, 245, 262, 490, 631, 655, 917, 1262, 1310, 1834, 3155, 4417, 4585, 6310, 6419, 8834, 9170, 12838, 22085, 30919, 32095, 44170, 61838, 64190, 82661, 154595, 165322, 309190, 413305, 578627, 826610, 1157254, 2893135, 4050389, 5786270, 8100778, 20251945, 40503890]

約数ペア:

[(1, 40503890), (2, 20251945), (5, 8100778), (7, 5786270), (10, 4050389), (14, 2893135), (35, 1157254), (49, 826610), (70, 578627), (98, 413305), (131, 309190), (245, 165322), (262, 154595), (490, 82661), (631, 64190), (655, 61838), (917, 44170), (1262, 32095), (1310, 30919), (1834, 22085), (3155, 12838), (4417, 9170), (4585, 8834), (6310, 6419)]