321290450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21491}}^1$

素因数の和:21539

約数の個数: 48

約数和(自身を含む): 671582016

約数和(自身を除く): 350291566

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1495, 2990, 7475, 14950, 21491, 42982, 107455, 214910, 279383, 494293, 537275, 558766, 988586, 1074550, 1396915, 2471465, 2793830, 4942930, 6425809, 6984575, 12357325, 12851618, 13969150, 24714650, 32129045, 64258090, 160645225, 321290450]

約数ペア:

[(1, 321290450), (2, 160645225), (5, 64258090), (10, 32129045), (13, 24714650), (23, 13969150), (25, 12851618), (26, 12357325), (46, 6984575), (50, 6425809), (65, 4942930), (115, 2793830), (130, 2471465), (230, 1396915), (299, 1074550), (325, 988586), (575, 558766), (598, 537275), (650, 494293), (1150, 279383), (1495, 214910), (2990, 107455), (7475, 42982), (14950, 21491)]