398775780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{13109}}^1$

素因数の和:13150

約数の個数: 108

約数和(自身を含む): 1309924980

約数和(自身を除く): 911149200

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 3042, 3380, 5070, 6084, 7605, 10140, 13109, 15210, 26218, 30420, 39327, 52436, 65545, 78654, 117981, 131090, 157308, 170417, 196635, 235962, 262180, 340834, 393270, 471924, 511251, 589905, 681668, 786540, 852085, 1022502, 1179810, 1533753, 1704170, 2045004, 2215421, 2359620, 2556255, 3067506, 3408340, 4430842, 5112510, 6135012, 6646263, 7668765, 8861684, 10225020, 11077105, 13292526, 15337530, 19938789, 22154210, 26585052, 30675060, 33231315, 39877578, 44308420, 66462630, 79755156, 99693945, 132925260, 199387890, 398775780]

約数ペア:

[(1, 398775780), (2, 199387890), (3, 132925260), (4, 99693945), (5, 79755156), (6, 66462630), (9, 44308420), (10, 39877578), (12, 33231315), (13, 30675060), (15, 26585052), (18, 22154210), (20, 19938789), (26, 15337530), (30, 13292526), (36, 11077105), (39, 10225020), (45, 8861684), (52, 7668765), (60, 6646263), (65, 6135012), (78, 5112510), (90, 4430842), (117, 3408340), (130, 3067506), (156, 2556255), (169, 2359620), (180, 2215421), (195, 2045004), (234, 1704170), (260, 1533753), (338, 1179810), (390, 1022502), (468, 852085), (507, 786540), (585, 681668), (676, 589905), (780, 511251), (845, 471924), (1014, 393270), (1170, 340834), (1521, 262180), (1690, 235962), (2028, 196635), (2340, 170417), (2535, 157308), (3042, 131090), (3380, 117981), (5070, 78654), (6084, 65545), (7605, 52436), (10140, 39327), (13109, 30420), (15210, 26218)]