1868980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 4354560

約数和(自身を除く): 2485580

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 239, 340, 391, 460, 478, 782, 956, 1195, 1564, 1955, 2390, 3910, 4063, 4780, 5497, 7820, 8126, 10994, 16252, 20315, 21988, 27485, 40630, 54970, 81260, 93449, 109940, 186898, 373796, 467245, 934490, 1868980]

約数ペア:

[(1, 1868980), (2, 934490), (4, 467245), (5, 373796), (10, 186898), (17, 109940), (20, 93449), (23, 81260), (34, 54970), (46, 40630), (68, 27485), (85, 21988), (92, 20315), (115, 16252), (170, 10994), (230, 8126), (239, 7820), (340, 5497), (391, 4780), (460, 4063), (478, 3910), (782, 2390), (956, 1955), (1195, 1564)]