69720980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1571}}^1$

素因数の和:1904

約数の個数: 48

約数和(自身を含む): 167965056

約数和(自身を除く): 98244076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 634, 1268, 1571, 1585, 2219, 3142, 3170, 4438, 6284, 6340, 7855, 8876, 10997, 11095, 15710, 21994, 22190, 31420, 43988, 44380, 54985, 109970, 219940, 498007, 996014, 1992028, 2490035, 3486049, 4980070, 6972098, 9960140, 13944196, 17430245, 34860490, 69720980]

約数ペア:

[(1, 69720980), (2, 34860490), (4, 17430245), (5, 13944196), (7, 9960140), (10, 6972098), (14, 4980070), (20, 3486049), (28, 2490035), (35, 1992028), (70, 996014), (140, 498007), (317, 219940), (634, 109970), (1268, 54985), (1571, 44380), (1585, 43988), (2219, 31420), (3142, 22190), (3170, 21994), (4438, 15710), (6284, 11095), (6340, 10997), (7855, 8876)]