221317150

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 422071200

約数和(自身を除く): 200754050

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 149, 298, 305, 487, 610, 745, 974, 1490, 1525, 2435, 3050, 3725, 4870, 7450, 9089, 12175, 18178, 24350, 29707, 45445, 59414, 72563, 90890, 145126, 148535, 227225, 297070, 362815, 454450, 725630, 742675, 1485350, 1814075, 3628150, 4426343, 8852686, 22131715, 44263430, 110658575, 221317150]

約数ペア:

[(1, 221317150), (2, 110658575), (5, 44263430), (10, 22131715), (25, 8852686), (50, 4426343), (61, 3628150), (122, 1814075), (149, 1485350), (298, 742675), (305, 725630), (487, 454450), (610, 362815), (745, 297070), (974, 227225), (1490, 148535), (1525, 145126), (2435, 90890), (3050, 72563), (3725, 59414), (4870, 45445), (7450, 29707), (9089, 24350), (12175, 18178)]