41900290

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 77338800

約数和(自身を除く): 35438510

約数列:

[1, 2, 5, 10, 61, 122, 149, 298, 305, 461, 610, 745, 922, 1490, 2305, 4610, 9089, 18178, 28121, 45445, 56242, 68689, 90890, 137378, 140605, 281210, 343445, 686890, 4190029, 8380058, 20950145, 41900290]

約数ペア:

[(1, 41900290), (2, 20950145), (5, 8380058), (10, 4190029), (61, 686890), (122, 343445), (149, 281210), (298, 140605), (305, 137378), (461, 90890), (610, 68689), (745, 56242), (922, 45445), (1490, 28121), (2305, 18178), (4610, 9089)]