2761220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 7328832

約数和(自身を除く): 4567612

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 163, 220, 242, 308, 326, 385, 484, 605, 652, 770, 815, 847, 1141, 1210, 1540, 1630, 1694, 1793, 2282, 2420, 3260, 3388, 3586, 4235, 4564, 5705, 7172, 8470, 8965, 11410, 12551, 16940, 17930, 19723, 22820, 25102, 35860, 39446, 50204, 62755, 78892, 98615, 125510, 138061, 197230, 251020, 276122, 394460, 552244, 690305, 1380610, 2761220]

約数ペア:

[(1, 2761220), (2, 1380610), (4, 690305), (5, 552244), (7, 394460), (10, 276122), (11, 251020), (14, 197230), (20, 138061), (22, 125510), (28, 98615), (35, 78892), (44, 62755), (55, 50204), (70, 39446), (77, 35860), (110, 25102), (121, 22820), (140, 19723), (154, 17930), (163, 16940), (220, 12551), (242, 11410), (308, 8965), (326, 8470), (385, 7172), (484, 5705), (605, 4564), (652, 4235), (770, 3586), (815, 3388), (847, 3260), (1141, 2420), (1210, 2282), (1540, 1793), (1630, 1694)]