180259736450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{91621}}^1$

素因数の和:91780

約数の個数: 72

約数和(自身を含む): 357108655860

約数和(自身を除く): 176848919410

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 109, 190, 218, 361, 475, 545, 722, 950, 1090, 1805, 2071, 2725, 3610, 4142, 5450, 9025, 10355, 18050, 20710, 39349, 51775, 78698, 91621, 103550, 183242, 196745, 393490, 458105, 916210, 983725, 1740799, 1967450, 2290525, 3481598, 4581050, 8703995, 9986689, 17407990, 19973378, 33075181, 43519975, 49933445, 66150362, 87039950, 99866890, 165375905, 189747091, 249667225, 330751810, 379494182, 499334450, 826879525, 948735455, 1653759050, 1897470910, 3605194729, 4743677275, 7210389458, 9487354550, 18025973645, 36051947290, 90129868225, 180259736450]

約数ペア:

[(1, 180259736450), (2, 90129868225), (5, 36051947290), (10, 18025973645), (19, 9487354550), (25, 7210389458), (38, 4743677275), (50, 3605194729), (95, 1897470910), (109, 1653759050), (190, 948735455), (218, 826879525), (361, 499334450), (475, 379494182), (545, 330751810), (722, 249667225), (950, 189747091), (1090, 165375905), (1805, 99866890), (2071, 87039950), (2725, 66150362), (3610, 49933445), (4142, 43519975), (5450, 33075181), (9025, 19973378), (10355, 17407990), (18050, 9986689), (20710, 8703995), (39349, 4581050), (51775, 3481598), (78698, 2290525), (91621, 1967450), (103550, 1740799), (183242, 983725), (196745, 916210), (393490, 458105)]