8442460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 20109600

約数和(自身を除く): 11667140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1709, 2470, 3418, 4940, 6836, 8545, 17090, 22217, 32471, 34180, 44434, 64942, 88868, 111085, 129884, 162355, 222170, 324710, 422123, 444340, 649420, 844246, 1688492, 2110615, 4221230, 8442460]

約数ペア:

[(1, 8442460), (2, 4221230), (4, 2110615), (5, 1688492), (10, 844246), (13, 649420), (19, 444340), (20, 422123), (26, 324710), (38, 222170), (52, 162355), (65, 129884), (76, 111085), (95, 88868), (130, 64942), (190, 44434), (247, 34180), (260, 32471), (380, 22217), (494, 17090), (988, 8545), (1235, 6836), (1709, 4940), (2470, 3418)]