201128920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{2089}}^1$

素因数の和:2212

約数の個数: 64

約数和(自身を含む): 474012000

約数和(自身を除く): 272883080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 83, 116, 145, 166, 232, 290, 332, 415, 580, 664, 830, 1160, 1660, 2089, 2407, 3320, 4178, 4814, 8356, 9628, 10445, 12035, 16712, 19256, 20890, 24070, 41780, 48140, 60581, 83560, 96280, 121162, 173387, 242324, 302905, 346774, 484648, 605810, 693548, 866935, 1211620, 1387096, 1733870, 2423240, 3467740, 5028223, 6935480, 10056446, 20112892, 25141115, 40225784, 50282230, 100564460, 201128920]

約数ペア:

[(1, 201128920), (2, 100564460), (4, 50282230), (5, 40225784), (8, 25141115), (10, 20112892), (20, 10056446), (29, 6935480), (40, 5028223), (58, 3467740), (83, 2423240), (116, 1733870), (145, 1387096), (166, 1211620), (232, 866935), (290, 693548), (332, 605810), (415, 484648), (580, 346774), (664, 302905), (830, 242324), (1160, 173387), (1660, 121162), (2089, 96280), (2407, 83560), (3320, 60581), (4178, 48140), (4814, 41780), (8356, 24070), (9628, 20890), (10445, 19256), (12035, 16712)]