388603910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1\times {\mathrm{1291}}^1$

素因数の和:2300

約数の個数: 32

約数和(自身を含む): 723354624

約数和(自身を除く): 334750714

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 971, 1291, 1942, 2582, 4855, 6455, 9710, 12910, 30101, 40021, 60202, 80042, 150505, 200105, 301010, 400210, 1253561, 2507122, 6267805, 12535610, 38860391, 77720782, 194301955, 388603910]

約数ペア:

[(1, 388603910), (2, 194301955), (5, 77720782), (10, 38860391), (31, 12535610), (62, 6267805), (155, 2507122), (310, 1253561), (971, 400210), (1291, 301010), (1942, 200105), (2582, 150505), (4855, 80042), (6455, 60202), (9710, 40021), (12910, 30101)]