302920840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{244291}}^1$

素因数の和:244333

約数の個数: 32

約数和(自身を含む): 703560960

約数和(自身を除く): 400640120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 244291, 488582, 977164, 1221455, 1954328, 2442910, 4885820, 7573021, 9771640, 15146042, 30292084, 37865105, 60584168, 75730210, 151460420, 302920840]

約数ペア:

[(1, 302920840), (2, 151460420), (4, 75730210), (5, 60584168), (8, 37865105), (10, 30292084), (20, 15146042), (31, 9771640), (40, 7573021), (62, 4885820), (124, 2442910), (155, 1954328), (248, 1221455), (310, 977164), (620, 488582), (1240, 244291)]