531497850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{272563}}^1$

素因数の和:272591

約数の個数: 48

約数和(自身を含む): 1419513312

約数和(自身を除く): 888015462

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 272563, 545126, 817689, 1362815, 1635378, 2725630, 3543319, 4088445, 6814075, 7086638, 8176890, 10629957, 13628150, 17716595, 20442225, 21259914, 35433190, 40884450, 53149785, 88582975, 106299570, 177165950, 265748925, 531497850]

約数ペア:

[(1, 531497850), (2, 265748925), (3, 177165950), (5, 106299570), (6, 88582975), (10, 53149785), (13, 40884450), (15, 35433190), (25, 21259914), (26, 20442225), (30, 17716595), (39, 13628150), (50, 10629957), (65, 8176890), (75, 7086638), (78, 6814075), (130, 4088445), (150, 3543319), (195, 2725630), (325, 1635378), (390, 1362815), (650, 817689), (975, 545126), (1950, 272563)]