1563322900

素因数分解:

$2^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 3437280000

約数和(自身を除く): 1873957100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 149, 239, 298, 439, 478, 596, 745, 878, 956, 1195, 1490, 1756, 2195, 2390, 2980, 3725, 4390, 4780, 5975, 7450, 8780, 10975, 11950, 14900, 21950, 23900, 35611, 43900, 65411, 71222, 104921, 130822, 142444, 178055, 209842, 261644, 327055, 356110, 419684, 524605, 654110, 712220, 890275, 1049210, 1308220, 1635275, 1780550, 2098420, 2623025, 3270550, 3561100, 5246050, 6541100, 10492100, 15633229, 31266458, 62532916, 78166145, 156332290, 312664580, 390830725, 781661450, 1563322900]

約数ペア:

[(1, 1563322900), (2, 781661450), (4, 390830725), (5, 312664580), (10, 156332290), (20, 78166145), (25, 62532916), (50, 31266458), (100, 15633229), (149, 10492100), (239, 6541100), (298, 5246050), (439, 3561100), (478, 3270550), (596, 2623025), (745, 2098420), (878, 1780550), (956, 1635275), (1195, 1308220), (1490, 1049210), (1756, 890275), (2195, 712220), (2390, 654110), (2980, 524605), (3725, 419684), (4390, 356110), (4780, 327055), (5975, 261644), (7450, 209842), (8780, 178055), (10975, 142444), (11950, 130822), (14900, 104921), (21950, 71222), (23900, 65411), (35611, 43900)]