401219450

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{229}}^1\times {\mathrm{523}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 762168480

約数和(自身を除く): 360949030

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 229, 335, 458, 523, 670, 1046, 1145, 1675, 2290, 2615, 3350, 5230, 5725, 11450, 13075, 15343, 26150, 30686, 35041, 70082, 76715, 119767, 153430, 175205, 239534, 350410, 383575, 598835, 767150, 876025, 1197670, 1752050, 2994175, 5988350, 8024389, 16048778, 40121945, 80243890, 200609725, 401219450]

約数ペア:

[(1, 401219450), (2, 200609725), (5, 80243890), (10, 40121945), (25, 16048778), (50, 8024389), (67, 5988350), (134, 2994175), (229, 1752050), (335, 1197670), (458, 876025), (523, 767150), (670, 598835), (1046, 383575), (1145, 350410), (1675, 239534), (2290, 175205), (2615, 153430), (3350, 119767), (5230, 76715), (5725, 70082), (11450, 35041), (13075, 30686), (15343, 26150)]