397075640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:577

約数の個数: 96

約数和(自身を含む): 976341600

約数和(自身を除く): 579265960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 151, 169, 260, 302, 338, 389, 520, 604, 676, 755, 778, 845, 1208, 1352, 1510, 1556, 1690, 1945, 1963, 3020, 3112, 3380, 3890, 3926, 5057, 6040, 6760, 7780, 7852, 9815, 10114, 15560, 15704, 19630, 20228, 25285, 25519, 39260, 40456, 50570, 51038, 58739, 65741, 78520, 101140, 102076, 117478, 127595, 131482, 202280, 204152, 234956, 255190, 262964, 293695, 328705, 469912, 510380, 525928, 587390, 657410, 763607, 1020760, 1174780, 1314820, 1527214, 2349560, 2629640, 3054428, 3818035, 6108856, 7636070, 9926891, 15272140, 19853782, 30544280, 39707564, 49634455, 79415128, 99268910, 198537820, 397075640]

約数ペア:

[(1, 397075640), (2, 198537820), (4, 99268910), (5, 79415128), (8, 49634455), (10, 39707564), (13, 30544280), (20, 19853782), (26, 15272140), (40, 9926891), (52, 7636070), (65, 6108856), (104, 3818035), (130, 3054428), (151, 2629640), (169, 2349560), (260, 1527214), (302, 1314820), (338, 1174780), (389, 1020760), (520, 763607), (604, 657410), (676, 587390), (755, 525928), (778, 510380), (845, 469912), (1208, 328705), (1352, 293695), (1510, 262964), (1556, 255190), (1690, 234956), (1945, 204152), (1963, 202280), (3020, 131482), (3112, 127595), (3380, 117478), (3890, 102076), (3926, 101140), (5057, 78520), (6040, 65741), (6760, 58739), (7780, 51038), (7852, 50570), (9815, 40456), (10114, 39260), (15560, 25519), (15704, 25285), (19630, 20228)]