2160021700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{8093}}^1$

素因数の和:8281

約数の個数: 72

約数和(自身を含む): 4995195912

約数和(自身を除く): 2835174212

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 157, 170, 314, 340, 425, 628, 785, 850, 1570, 1700, 2669, 3140, 3925, 5338, 7850, 8093, 10676, 13345, 15700, 16186, 26690, 32372, 40465, 53380, 66725, 80930, 133450, 137581, 161860, 202325, 266900, 275162, 404650, 550324, 687905, 809300, 1270601, 1375810, 2541202, 2751620, 3439525, 5082404, 6353005, 6879050, 12706010, 13758100, 21600217, 25412020, 31765025, 43200434, 63530050, 86400868, 108001085, 127060100, 216002170, 432004340, 540005425, 1080010850, 2160021700]

約数ペア:

[(1, 2160021700), (2, 1080010850), (4, 540005425), (5, 432004340), (10, 216002170), (17, 127060100), (20, 108001085), (25, 86400868), (34, 63530050), (50, 43200434), (68, 31765025), (85, 25412020), (100, 21600217), (157, 13758100), (170, 12706010), (314, 6879050), (340, 6353005), (425, 5082404), (628, 3439525), (785, 2751620), (850, 2541202), (1570, 1375810), (1700, 1270601), (2669, 809300), (3140, 687905), (3925, 550324), (5338, 404650), (7850, 275162), (8093, 266900), (10676, 202325), (13345, 161860), (15700, 137581), (16186, 133450), (26690, 80930), (32372, 66725), (40465, 53380)]