321100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:59

約数の個数: 54

約数和(自身を含む): 794220

約数和(自身を除く): 473120

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 169, 190, 247, 260, 325, 338, 380, 475, 494, 650, 676, 845, 950, 988, 1235, 1300, 1690, 1900, 2470, 3211, 3380, 4225, 4940, 6175, 6422, 8450, 12350, 12844, 16055, 16900, 24700, 32110, 64220, 80275, 160550, 321100]

約数ペア:

[(1, 321100), (2, 160550), (4, 80275), (5, 64220), (10, 32110), (13, 24700), (19, 16900), (20, 16055), (25, 12844), (26, 12350), (38, 8450), (50, 6422), (52, 6175), (65, 4940), (76, 4225), (95, 3380), (100, 3211), (130, 2470), (169, 1900), (190, 1690), (247, 1300), (260, 1235), (325, 988), (338, 950), (380, 845), (475, 676), (494, 650)]