206984440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 512941680

約数和(自身を除く): 305957240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 169, 260, 268, 335, 338, 457, 520, 536, 670, 676, 845, 871, 914, 1340, 1352, 1690, 1742, 1828, 2285, 2680, 3380, 3484, 3656, 4355, 4570, 5941, 6760, 6968, 8710, 9140, 11323, 11882, 17420, 18280, 22646, 23764, 29705, 30619, 34840, 45292, 47528, 56615, 59410, 61238, 77233, 90584, 113230, 118820, 122476, 153095, 154466, 226460, 237640, 244952, 306190, 308932, 386165, 398047, 452920, 612380, 617864, 772330, 796094, 1224760, 1544660, 1592188, 1990235, 3089320, 3184376, 3980470, 5174611, 7960940, 10349222, 15921880, 20698444, 25873055, 41396888, 51746110, 103492220, 206984440]

約数ペア:

[(1, 206984440), (2, 103492220), (4, 51746110), (5, 41396888), (8, 25873055), (10, 20698444), (13, 15921880), (20, 10349222), (26, 7960940), (40, 5174611), (52, 3980470), (65, 3184376), (67, 3089320), (104, 1990235), (130, 1592188), (134, 1544660), (169, 1224760), (260, 796094), (268, 772330), (335, 617864), (338, 612380), (457, 452920), (520, 398047), (536, 386165), (670, 308932), (676, 306190), (845, 244952), (871, 237640), (914, 226460), (1340, 154466), (1352, 153095), (1690, 122476), (1742, 118820), (1828, 113230), (2285, 90584), (2680, 77233), (3380, 61238), (3484, 59410), (3656, 56615), (4355, 47528), (4570, 45292), (5941, 34840), (6760, 30619), (6968, 29705), (8710, 23764), (9140, 22646), (11323, 18280), (11882, 17420)]