89993690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 173397672

約数和(自身を除く): 83403982

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 257, 361, 485, 514, 722, 970, 1285, 1805, 1843, 2570, 3610, 3686, 4883, 9215, 9766, 18430, 24415, 24929, 35017, 48830, 49858, 70034, 92777, 124645, 175085, 185554, 249290, 350170, 463885, 473651, 927770, 947302, 2368255, 4736510, 8999369, 17998738, 44996845, 89993690]

約数ペア:

[(1, 89993690), (2, 44996845), (5, 17998738), (10, 8999369), (19, 4736510), (38, 2368255), (95, 947302), (97, 927770), (190, 473651), (194, 463885), (257, 350170), (361, 249290), (485, 185554), (514, 175085), (722, 124645), (970, 92777), (1285, 70034), (1805, 49858), (1843, 48830), (2570, 35017), (3610, 24929), (3686, 24415), (4883, 18430), (9215, 9766)]