2712820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 6703200

約数和(自身を除く): 3990380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 59, 76, 95, 110, 118, 121, 190, 209, 220, 236, 242, 295, 380, 418, 484, 590, 605, 649, 836, 1045, 1121, 1180, 1210, 1298, 2090, 2242, 2299, 2420, 2596, 3245, 4180, 4484, 4598, 5605, 6490, 7139, 9196, 11210, 11495, 12331, 12980, 14278, 22420, 22990, 24662, 28556, 35695, 45980, 49324, 61655, 71390, 123310, 135641, 142780, 246620, 271282, 542564, 678205, 1356410, 2712820]

約数ペア:

[(1, 2712820), (2, 1356410), (4, 678205), (5, 542564), (10, 271282), (11, 246620), (19, 142780), (20, 135641), (22, 123310), (38, 71390), (44, 61655), (55, 49324), (59, 45980), (76, 35695), (95, 28556), (110, 24662), (118, 22990), (121, 22420), (190, 14278), (209, 12980), (220, 12331), (236, 11495), (242, 11210), (295, 9196), (380, 7139), (418, 6490), (484, 5605), (590, 4598), (605, 4484), (649, 4180), (836, 3245), (1045, 2596), (1121, 2420), (1180, 2299), (1210, 2242), (1298, 2090)]