188762680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 435650400

約数和(自身を除く): 246887720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 269, 331, 424, 530, 538, 662, 1060, 1076, 1324, 1345, 1655, 2120, 2152, 2648, 2690, 3310, 5380, 6620, 10760, 13240, 14257, 17543, 28514, 35086, 57028, 70172, 71285, 87715, 89039, 114056, 140344, 142570, 175430, 178078, 285140, 350860, 356156, 445195, 570280, 701720, 712312, 890390, 1780780, 3561560, 4719067, 9438134, 18876268, 23595335, 37752536, 47190670, 94381340, 188762680]

約数ペア:

[(1, 188762680), (2, 94381340), (4, 47190670), (5, 37752536), (8, 23595335), (10, 18876268), (20, 9438134), (40, 4719067), (53, 3561560), (106, 1780780), (212, 890390), (265, 712312), (269, 701720), (331, 570280), (424, 445195), (530, 356156), (538, 350860), (662, 285140), (1060, 178078), (1076, 175430), (1324, 142570), (1345, 140344), (1655, 114056), (2120, 89039), (2152, 87715), (2648, 71285), (2690, 70172), (3310, 57028), (5380, 35086), (6620, 28514), (10760, 17543), (13240, 14257)]