173831020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:799

約数の個数: 72

約数和(自身を含む): 405543600

約数和(自身を除く): 231712580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 121, 218, 220, 242, 436, 484, 545, 605, 659, 1090, 1199, 1210, 1318, 2180, 2398, 2420, 2636, 3295, 4796, 5995, 6590, 7249, 11990, 13180, 13189, 14498, 23980, 26378, 28996, 36245, 52756, 65945, 71831, 72490, 79739, 131890, 143662, 144980, 159478, 263780, 287324, 318956, 359155, 398695, 718310, 790141, 797390, 1436620, 1580282, 1594780, 3160564, 3950705, 7901410, 8691551, 15802820, 17383102, 34766204, 43457755, 86915510, 173831020]

約数ペア:

[(1, 173831020), (2, 86915510), (4, 43457755), (5, 34766204), (10, 17383102), (11, 15802820), (20, 8691551), (22, 7901410), (44, 3950705), (55, 3160564), (109, 1594780), (110, 1580282), (121, 1436620), (218, 797390), (220, 790141), (242, 718310), (436, 398695), (484, 359155), (545, 318956), (605, 287324), (659, 263780), (1090, 159478), (1199, 144980), (1210, 143662), (1318, 131890), (2180, 79739), (2398, 72490), (2420, 71831), (2636, 65945), (3295, 52756), (4796, 36245), (5995, 28996), (6590, 26378), (7249, 23980), (11990, 14498), (13180, 13189)]