38918440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 128

約数和(自身を含む): 104353920

約数和(自身を除く): 65435480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 43, 44, 55, 68, 85, 86, 88, 110, 121, 136, 170, 172, 187, 215, 220, 242, 340, 344, 374, 430, 440, 473, 484, 605, 680, 731, 748, 860, 935, 946, 968, 1210, 1331, 1462, 1496, 1720, 1870, 1892, 2057, 2365, 2420, 2662, 2924, 3655, 3740, 3784, 4114, 4730, 4840, 5203, 5324, 5848, 6655, 7310, 7480, 8041, 8228, 9460, 10285, 10406, 10648, 13310, 14620, 16082, 16456, 18920, 20570, 20812, 22627, 26015, 26620, 29240, 32164, 40205, 41140, 41624, 45254, 52030, 53240, 57233, 64328, 80410, 82280, 88451, 90508, 104060, 113135, 114466, 160820, 176902, 181016, 208120, 226270, 228932, 286165, 321640, 353804, 442255, 452540, 457864, 572330, 707608, 884510, 905080, 972961, 1144660, 1769020, 1945922, 2289320, 3538040, 3891844, 4864805, 7783688, 9729610, 19459220, 38918440]

約数ペア:

[(1, 38918440), (2, 19459220), (4, 9729610), (5, 7783688), (8, 4864805), (10, 3891844), (11, 3538040), (17, 2289320), (20, 1945922), (22, 1769020), (34, 1144660), (40, 972961), (43, 905080), (44, 884510), (55, 707608), (68, 572330), (85, 457864), (86, 452540), (88, 442255), (110, 353804), (121, 321640), (136, 286165), (170, 228932), (172, 226270), (187, 208120), (215, 181016), (220, 176902), (242, 160820), (340, 114466), (344, 113135), (374, 104060), (430, 90508), (440, 88451), (473, 82280), (484, 80410), (605, 64328), (680, 57233), (731, 53240), (748, 52030), (860, 45254), (935, 41624), (946, 41140), (968, 40205), (1210, 32164), (1331, 29240), (1462, 26620), (1496, 26015), (1720, 22627), (1870, 20812), (1892, 20570), (2057, 18920), (2365, 16456), (2420, 16082), (2662, 14620), (2924, 13310), (3655, 10648), (3740, 10406), (3784, 10285), (4114, 9460), (4730, 8228), (4840, 8041), (5203, 7480), (5324, 7310), (5848, 6655)]