228520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 534600

約数和(自身を除く): 306080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 197, 232, 290, 394, 580, 788, 985, 1160, 1576, 1970, 3940, 5713, 7880, 11426, 22852, 28565, 45704, 57130, 114260, 228520]

約数ペア:

[(1, 228520), (2, 114260), (4, 57130), (5, 45704), (8, 28565), (10, 22852), (20, 11426), (29, 7880), (40, 5713), (58, 3940), (116, 1970), (145, 1576), (197, 1160), (232, 985), (290, 788), (394, 580)]