409842620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{4789}}^1$

素因数の和:5198

約数の個数: 48

約数和(自身を含む): 941522400

約数和(自身を除く): 531679780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 389, 778, 1556, 1945, 3890, 4279, 4789, 7780, 8558, 9578, 17116, 19156, 21395, 23945, 42790, 47890, 52679, 85580, 95780, 105358, 210716, 263395, 526790, 1053580, 1862921, 3725842, 7451684, 9314605, 18629210, 20492131, 37258420, 40984262, 81968524, 102460655, 204921310, 409842620]

約数ペア:

[(1, 409842620), (2, 204921310), (4, 102460655), (5, 81968524), (10, 40984262), (11, 37258420), (20, 20492131), (22, 18629210), (44, 9314605), (55, 7451684), (110, 3725842), (220, 1862921), (389, 1053580), (778, 526790), (1556, 263395), (1945, 210716), (3890, 105358), (4279, 95780), (4789, 85580), (7780, 52679), (8558, 47890), (9578, 42790), (17116, 23945), (19156, 21395)]