509457260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{7933}}^1$

素因数の和:7987

約数の個数: 72

約数和(自身を含む): 1219614480

約数和(自身を除く): 710157220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 845, 988, 1235, 1690, 2470, 3211, 3380, 4940, 6422, 7933, 12844, 15866, 16055, 31732, 32110, 39665, 64220, 79330, 103129, 150727, 158660, 206258, 301454, 412516, 515645, 602908, 753635, 1031290, 1340677, 1507270, 1959451, 2062580, 2681354, 3014540, 3918902, 5362708, 6703385, 7837804, 9797255, 13406770, 19594510, 25472863, 26813540, 39189020, 50945726, 101891452, 127364315, 254728630, 509457260]

約数ペア:

[(1, 509457260), (2, 254728630), (4, 127364315), (5, 101891452), (10, 50945726), (13, 39189020), (19, 26813540), (20, 25472863), (26, 19594510), (38, 13406770), (52, 9797255), (65, 7837804), (76, 6703385), (95, 5362708), (130, 3918902), (169, 3014540), (190, 2681354), (247, 2062580), (260, 1959451), (338, 1507270), (380, 1340677), (494, 1031290), (676, 753635), (845, 602908), (988, 515645), (1235, 412516), (1690, 301454), (2470, 206258), (3211, 158660), (3380, 150727), (4940, 103129), (6422, 79330), (7933, 64220), (12844, 39665), (15866, 32110), (16055, 31732)]