291206940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{285497}}^1$

素因数の和:285526

約数の個数: 48

約数和(自身を含む): 863345952

約数和(自身を除く): 572139012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 285497, 570994, 856491, 1141988, 1427485, 1712982, 2854970, 3425964, 4282455, 4853449, 5709940, 8564910, 9706898, 14560347, 17129820, 19413796, 24267245, 29120694, 48534490, 58241388, 72801735, 97068980, 145603470, 291206940]

約数ペア:

[(1, 291206940), (2, 145603470), (3, 97068980), (4, 72801735), (5, 58241388), (6, 48534490), (10, 29120694), (12, 24267245), (15, 19413796), (17, 17129820), (20, 14560347), (30, 9706898), (34, 8564910), (51, 5709940), (60, 4853449), (68, 4282455), (85, 3425964), (102, 2854970), (170, 1712982), (204, 1427485), (255, 1141988), (340, 856491), (510, 570994), (1020, 285497)]