255581900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^2$

素因数の和:240

約数の個数: 108

約数和(自身を含む): 653676912

約数和(自身を除く): 398095012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 83, 100, 106, 140, 166, 175, 212, 265, 332, 350, 371, 415, 530, 581, 700, 742, 830, 1060, 1162, 1325, 1484, 1660, 1855, 2075, 2324, 2650, 2905, 3710, 4150, 4399, 5300, 5810, 6889, 7420, 8300, 8798, 9275, 11620, 13778, 14525, 17596, 18550, 21995, 27556, 29050, 30793, 34445, 37100, 43990, 48223, 58100, 61586, 68890, 87980, 96446, 109975, 123172, 137780, 153965, 172225, 192892, 219950, 241115, 307930, 344450, 365117, 439900, 482230, 615860, 688900, 730234, 769825, 964460, 1205575, 1460468, 1539650, 1825585, 2411150, 2555819, 3079300, 3651170, 4822300, 5111638, 7302340, 9127925, 10223276, 12779095, 18255850, 25558190, 36511700, 51116380, 63895475, 127790950, 255581900]

約数ペア:

[(1, 255581900), (2, 127790950), (4, 63895475), (5, 51116380), (7, 36511700), (10, 25558190), (14, 18255850), (20, 12779095), (25, 10223276), (28, 9127925), (35, 7302340), (50, 5111638), (53, 4822300), (70, 3651170), (83, 3079300), (100, 2555819), (106, 2411150), (140, 1825585), (166, 1539650), (175, 1460468), (212, 1205575), (265, 964460), (332, 769825), (350, 730234), (371, 688900), (415, 615860), (530, 482230), (581, 439900), (700, 365117), (742, 344450), (830, 307930), (1060, 241115), (1162, 219950), (1325, 192892), (1484, 172225), (1660, 153965), (1855, 137780), (2075, 123172), (2324, 109975), (2650, 96446), (2905, 87980), (3710, 68890), (4150, 61586), (4399, 58100), (5300, 48223), (5810, 43990), (6889, 37100), (7420, 34445), (8300, 30793), (8798, 29050), (9275, 27556), (11620, 21995), (13778, 18550), (14525, 17596)]