63800540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 137622240

約数和(自身を除く): 73821700

約数列:

[1, 2, 4, 5, 10, 20, 73, 89, 146, 178, 292, 356, 365, 445, 491, 730, 890, 982, 1460, 1780, 1964, 2455, 4910, 6497, 9820, 12994, 25988, 32485, 35843, 43699, 64970, 71686, 87398, 129940, 143372, 174796, 179215, 218495, 358430, 436990, 716860, 873980, 3190027, 6380054, 12760108, 15950135, 31900270, 63800540]

約数ペア:

[(1, 63800540), (2, 31900270), (4, 15950135), (5, 12760108), (10, 6380054), (20, 3190027), (73, 873980), (89, 716860), (146, 436990), (178, 358430), (292, 218495), (356, 179215), (365, 174796), (445, 143372), (491, 129940), (730, 87398), (890, 71686), (982, 64970), (1460, 43699), (1780, 35843), (1964, 32485), (2455, 25988), (4910, 12994), (6497, 9820)]