256967730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{124139}}^1$

素因数の和:124175

約数の個数: 48

約数和(自身を含む): 697170240

約数和(自身を除く): 440202510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 124139, 248278, 372417, 620695, 744834, 1117251, 1241390, 1862085, 2234502, 2855197, 3724170, 5586255, 5710394, 8565591, 11172510, 14275985, 17131182, 25696773, 28551970, 42827955, 51393546, 85655910, 128483865, 256967730]

約数ペア:

[(1, 256967730), (2, 128483865), (3, 85655910), (5, 51393546), (6, 42827955), (9, 28551970), (10, 25696773), (15, 17131182), (18, 14275985), (23, 11172510), (30, 8565591), (45, 5710394), (46, 5586255), (69, 3724170), (90, 2855197), (115, 2234502), (138, 1862085), (207, 1241390), (230, 1117251), (345, 744834), (414, 620695), (690, 372417), (1035, 248278), (2070, 124139)]