190066690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{431}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 395642880

約数和(自身を除く): 205576190

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 211, 418, 422, 431, 862, 1045, 1055, 2090, 2110, 2155, 2321, 4009, 4310, 4642, 4741, 8018, 8189, 9482, 11605, 16378, 20045, 23210, 23705, 40090, 40945, 44099, 47410, 81890, 88198, 90079, 90941, 180158, 181882, 220495, 440990, 450395, 454705, 900790, 909410, 1000351, 1727879, 2000702, 3455758, 5001755, 8639395, 10003510, 17278790, 19006669, 38013338, 95033345, 190066690]

約数ペア:

[(1, 190066690), (2, 95033345), (5, 38013338), (10, 19006669), (11, 17278790), (19, 10003510), (22, 8639395), (38, 5001755), (55, 3455758), (95, 2000702), (110, 1727879), (190, 1000351), (209, 909410), (211, 900790), (418, 454705), (422, 450395), (431, 440990), (862, 220495), (1045, 181882), (1055, 180158), (2090, 90941), (2110, 90079), (2155, 88198), (2321, 81890), (4009, 47410), (4310, 44099), (4642, 40945), (4741, 40090), (8018, 23705), (8189, 23210), (9482, 20045), (11605, 16378)]