90111890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{4289}}^1$

素因数の和:4498

約数の個数: 32

約数和(自身を含む): 177914880

約数和(自身を除く): 87802990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191, 382, 955, 1910, 2101, 4202, 4289, 8578, 10505, 21010, 21445, 42890, 47179, 94358, 235895, 471790, 819199, 1638398, 4095995, 8191990, 9011189, 18022378, 45055945, 90111890]

約数ペア:

[(1, 90111890), (2, 45055945), (5, 18022378), (10, 9011189), (11, 8191990), (22, 4095995), (55, 1638398), (110, 819199), (191, 471790), (382, 235895), (955, 94358), (1910, 47179), (2101, 42890), (4202, 21445), (4289, 21010), (8578, 10505)]