1997558520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{50291}}^1$

素因数の和:50636

約数の個数: 64

約数和(自身を含む): 6010899840

約数和(自身を除く): 4013341320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 662, 993, 1324, 1655, 1986, 2648, 3310, 3972, 4965, 6620, 7944, 9930, 13240, 19860, 39720, 50291, 100582, 150873, 201164, 251455, 301746, 402328, 502910, 603492, 754365, 1005820, 1206984, 1508730, 2011640, 3017460, 6034920, 16646321, 33292642, 49938963, 66585284, 83231605, 99877926, 133170568, 166463210, 199755852, 249694815, 332926420, 399511704, 499389630, 665852840, 998779260, 1997558520]

約数ペア:

[(1, 1997558520), (2, 998779260), (3, 665852840), (4, 499389630), (5, 399511704), (6, 332926420), (8, 249694815), (10, 199755852), (12, 166463210), (15, 133170568), (20, 99877926), (24, 83231605), (30, 66585284), (40, 49938963), (60, 33292642), (120, 16646321), (331, 6034920), (662, 3017460), (993, 2011640), (1324, 1508730), (1655, 1206984), (1986, 1005820), (2648, 754365), (3310, 603492), (3972, 502910), (4965, 402328), (6620, 301746), (7944, 251455), (9930, 201164), (13240, 150873), (19860, 100582), (39720, 50291)]