399888900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{49369}}^1$

素因数の和:49395

約数の個数: 90

約数和(自身を含む): 1296308090

約数和(自身を除く): 896419190

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 49369, 98738, 148107, 197476, 246845, 296214, 444321, 493690, 592428, 740535, 888642, 987380, 1234225, 1332963, 1481070, 1777284, 2221605, 2468450, 2665926, 2962140, 3702675, 3998889, 4443210, 4936900, 5331852, 6664815, 7405350, 7997778, 8886420, 11108025, 13329630, 14810700, 15995556, 19994445, 22216050, 26659260, 33324075, 39988890, 44432100, 66648150, 79977780, 99972225, 133296300, 199944450, 399888900]

約数ペア:

[(1, 399888900), (2, 199944450), (3, 133296300), (4, 99972225), (5, 79977780), (6, 66648150), (9, 44432100), (10, 39988890), (12, 33324075), (15, 26659260), (18, 22216050), (20, 19994445), (25, 15995556), (27, 14810700), (30, 13329630), (36, 11108025), (45, 8886420), (50, 7997778), (54, 7405350), (60, 6664815), (75, 5331852), (81, 4936900), (90, 4443210), (100, 3998889), (108, 3702675), (135, 2962140), (150, 2665926), (162, 2468450), (180, 2221605), (225, 1777284), (270, 1481070), (300, 1332963), (324, 1234225), (405, 987380), (450, 888642), (540, 740535), (675, 592428), (810, 493690), (900, 444321), (1350, 296214), (1620, 246845), (2025, 197476), (2700, 148107), (4050, 98738), (8100, 49369)]