68983490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 133072632

約数和(自身を除く): 64089142

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 197, 361, 394, 485, 722, 970, 985, 1805, 1843, 1970, 3610, 3686, 3743, 7486, 9215, 18430, 18715, 19109, 35017, 37430, 38218, 70034, 71117, 95545, 142234, 175085, 191090, 350170, 355585, 363071, 711170, 726142, 1815355, 3630710, 6898349, 13796698, 34491745, 68983490]

約数ペア:

[(1, 68983490), (2, 34491745), (5, 13796698), (10, 6898349), (19, 3630710), (38, 1815355), (95, 726142), (97, 711170), (190, 363071), (194, 355585), (197, 350170), (361, 191090), (394, 175085), (485, 142234), (722, 95545), (970, 71117), (985, 70034), (1805, 38218), (1843, 37430), (1970, 35017), (3610, 19109), (3686, 18715), (3743, 18430), (7486, 9215)]