72402860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 155971872

約数和(自身を除く): 83569012

約数列:

[1, 2, 4, 5, 10, 20, 73, 101, 146, 202, 292, 365, 404, 491, 505, 730, 982, 1010, 1460, 1964, 2020, 2455, 4910, 7373, 9820, 14746, 29492, 35843, 36865, 49591, 71686, 73730, 99182, 143372, 147460, 179215, 198364, 247955, 358430, 495910, 716860, 991820, 3620143, 7240286, 14480572, 18100715, 36201430, 72402860]

約数ペア:

[(1, 72402860), (2, 36201430), (4, 18100715), (5, 14480572), (10, 7240286), (20, 3620143), (73, 991820), (101, 716860), (146, 495910), (202, 358430), (292, 247955), (365, 198364), (404, 179215), (491, 147460), (505, 143372), (730, 99182), (982, 73730), (1010, 71686), (1460, 49591), (1964, 36865), (2020, 35843), (2455, 29492), (4910, 14746), (7373, 9820)]