407790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 1111968

約数和(自身を除く): 704178

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 197, 207, 230, 345, 394, 414, 591, 690, 985, 1035, 1182, 1773, 1970, 2070, 2955, 3546, 4531, 5910, 8865, 9062, 13593, 17730, 22655, 27186, 40779, 45310, 67965, 81558, 135930, 203895, 407790]

約数ペア:

[(1, 407790), (2, 203895), (3, 135930), (5, 81558), (6, 67965), (9, 45310), (10, 40779), (15, 27186), (18, 22655), (23, 17730), (30, 13593), (45, 9062), (46, 8865), (69, 5910), (90, 4531), (115, 3546), (138, 2955), (197, 2070), (207, 1970), (230, 1773), (345, 1182), (394, 1035), (414, 985), (591, 690)]