4089820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 9934848

約数和(自身を除く): 5845028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 223, 262, 446, 524, 655, 892, 917, 1115, 1310, 1561, 1834, 2230, 2620, 3122, 3668, 4460, 4585, 6244, 7805, 9170, 15610, 18340, 29213, 31220, 58426, 116852, 146065, 204491, 292130, 408982, 584260, 817964, 1022455, 2044910, 4089820]

約数ペア:

[(1, 4089820), (2, 2044910), (4, 1022455), (5, 817964), (7, 584260), (10, 408982), (14, 292130), (20, 204491), (28, 146065), (35, 116852), (70, 58426), (131, 31220), (140, 29213), (223, 18340), (262, 15610), (446, 9170), (524, 7805), (655, 6244), (892, 4585), (917, 4460), (1115, 3668), (1310, 3122), (1561, 2620), (1834, 2230)]