285416860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{10289}}^1$

素因数の和:10390

約数の個数: 48

約数和(自身を含む): 639626400

約数和(自身を除く): 354209540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 6935, 10289, 13870, 20578, 27740, 41156, 51445, 102890, 195491, 205780, 390982, 751097, 781964, 977455, 1502194, 1954910, 3004388, 3755485, 3909820, 7510970, 14270843, 15021940, 28541686, 57083372, 71354215, 142708430, 285416860]

約数ペア:

[(1, 285416860), (2, 142708430), (4, 71354215), (5, 57083372), (10, 28541686), (19, 15021940), (20, 14270843), (38, 7510970), (73, 3909820), (76, 3755485), (95, 3004388), (146, 1954910), (190, 1502194), (292, 977455), (365, 781964), (380, 751097), (730, 390982), (1387, 205780), (1460, 195491), (2774, 102890), (5548, 51445), (6935, 41156), (10289, 27740), (13870, 20578)]