211992025

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 319820800

約数和(自身を除く): 107828775

約数列:

[1, 5, 7, 19, 25, 35, 95, 103, 133, 175, 475, 515, 619, 665, 721, 1957, 2575, 3095, 3325, 3605, 4333, 9785, 11761, 13699, 15475, 18025, 21665, 48925, 58805, 63757, 68495, 82327, 108325, 294025, 318785, 342475, 411635, 446299, 1211383, 1593925, 2058175, 2231495, 6056915, 8479681, 11157475, 30284575, 42398405, 211992025]

約数ペア:

[(1, 211992025), (5, 42398405), (7, 30284575), (19, 11157475), (25, 8479681), (35, 6056915), (95, 2231495), (103, 2058175), (133, 1593925), (175, 1211383), (475, 446299), (515, 411635), (619, 342475), (665, 318785), (721, 294025), (1957, 108325), (2575, 82327), (3095, 68495), (3325, 63757), (3605, 58805), (4333, 48925), (9785, 21665), (11761, 18025), (13699, 15475)]