378078980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{2801}}^1$

素因数の和:3224

約数の個数: 48

約数和(自身を含む): 843088176

約数和(自身を除く): 465009196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 397, 794, 1588, 1985, 2801, 3970, 5602, 6749, 7940, 11204, 13498, 14005, 26996, 28010, 33745, 47617, 56020, 67490, 95234, 134980, 190468, 238085, 476170, 952340, 1111997, 2223994, 4447988, 5559985, 11119970, 18903949, 22239940, 37807898, 75615796, 94519745, 189039490, 378078980]

約数ペア:

[(1, 378078980), (2, 189039490), (4, 94519745), (5, 75615796), (10, 37807898), (17, 22239940), (20, 18903949), (34, 11119970), (68, 5559985), (85, 4447988), (170, 2223994), (340, 1111997), (397, 952340), (794, 476170), (1588, 238085), (1985, 190468), (2801, 134980), (3970, 95234), (5602, 67490), (6749, 56020), (7940, 47617), (11204, 33745), (13498, 28010), (14005, 26996)]