98702140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 215034624

約数和(自身を除く): 116332484

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 397, 401, 620, 794, 802, 1588, 1604, 1985, 2005, 3970, 4010, 7940, 8020, 12307, 12431, 24614, 24862, 49228, 49724, 61535, 62155, 123070, 124310, 159197, 246140, 248620, 318394, 636788, 795985, 1591970, 3183940, 4935107, 9870214, 19740428, 24675535, 49351070, 98702140]

約数ペア:

[(1, 98702140), (2, 49351070), (4, 24675535), (5, 19740428), (10, 9870214), (20, 4935107), (31, 3183940), (62, 1591970), (124, 795985), (155, 636788), (310, 318394), (397, 248620), (401, 246140), (620, 159197), (794, 124310), (802, 123070), (1588, 62155), (1604, 61535), (1985, 49724), (2005, 49228), (3970, 24862), (4010, 24614), (7940, 12431), (8020, 12307)]