9030890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 19440000

約数和(自身を除く): 10409110

約数列:

[1, 2, 5, 10, 11, 19, 22, 29, 38, 55, 58, 95, 110, 145, 149, 190, 209, 290, 298, 319, 418, 551, 638, 745, 1045, 1102, 1490, 1595, 1639, 2090, 2755, 2831, 3190, 3278, 4321, 5510, 5662, 6061, 8195, 8642, 12122, 14155, 16390, 21605, 28310, 30305, 31141, 43210, 47531, 60610, 62282, 82099, 95062, 155705, 164198, 237655, 311410, 410495, 475310, 820990, 903089, 1806178, 4515445, 9030890]

約数ペア:

[(1, 9030890), (2, 4515445), (5, 1806178), (10, 903089), (11, 820990), (19, 475310), (22, 410495), (29, 311410), (38, 237655), (55, 164198), (58, 155705), (95, 95062), (110, 82099), (145, 62282), (149, 60610), (190, 47531), (209, 43210), (290, 31141), (298, 30305), (319, 28310), (418, 21605), (551, 16390), (638, 14155), (745, 12122), (1045, 8642), (1102, 8195), (1490, 6061), (1595, 5662), (1639, 5510), (2090, 4321), (2755, 3278), (2831, 3190)]