251133100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 559964160

約数和(自身を除く): 308831060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 83, 100, 158, 166, 316, 332, 383, 395, 415, 766, 790, 830, 1532, 1580, 1660, 1915, 1975, 2075, 3830, 3950, 4150, 6557, 7660, 7900, 8300, 9575, 13114, 19150, 26228, 30257, 31789, 32785, 38300, 60514, 63578, 65570, 121028, 127156, 131140, 151285, 158945, 163925, 302570, 317890, 327850, 605140, 635780, 655700, 756425, 794725, 1512850, 1589450, 2511331, 3025700, 3178900, 5022662, 10045324, 12556655, 25113310, 50226620, 62783275, 125566550, 251133100]

約数ペア:

[(1, 251133100), (2, 125566550), (4, 62783275), (5, 50226620), (10, 25113310), (20, 12556655), (25, 10045324), (50, 5022662), (79, 3178900), (83, 3025700), (100, 2511331), (158, 1589450), (166, 1512850), (316, 794725), (332, 756425), (383, 655700), (395, 635780), (415, 605140), (766, 327850), (790, 317890), (830, 302570), (1532, 163925), (1580, 158945), (1660, 151285), (1915, 131140), (1975, 127156), (2075, 121028), (3830, 65570), (3950, 63578), (4150, 60514), (6557, 38300), (7660, 32785), (7900, 31789), (8300, 30257), (9575, 26228), (13114, 19150)]