197868040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{159571}}^1$

素因数の和:159613

約数の個数: 32

約数和(自身を含む): 459567360

約数和(自身を除く): 261699320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 159571, 319142, 638284, 797855, 1276568, 1595710, 3191420, 4946701, 6382840, 9893402, 19786804, 24733505, 39573608, 49467010, 98934020, 197868040]

約数ペア:

[(1, 197868040), (2, 98934020), (4, 49467010), (5, 39573608), (8, 24733505), (10, 19786804), (20, 9893402), (31, 6382840), (40, 4946701), (62, 3191420), (124, 1595710), (155, 1276568), (248, 797855), (310, 638284), (620, 319142), (1240, 159571)]