326465440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41641}}^1$

素因数の和:41670

約数の個数: 72

約数和(自身を含む): 897218532

約数和(自身を除く): 570753092

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 41641, 83282, 166564, 208205, 291487, 333128, 416410, 582974, 666256, 832820, 1165948, 1332512, 1457435, 1665640, 2040409, 2331896, 2914870, 3331280, 4080818, 4663792, 5829740, 6662560, 8161636, 9327584, 10202045, 11659480, 16323272, 20404090, 23318960, 32646544, 40808180, 46637920, 65293088, 81616360, 163232720, 326465440]

約数ペア:

[(1, 326465440), (2, 163232720), (4, 81616360), (5, 65293088), (7, 46637920), (8, 40808180), (10, 32646544), (14, 23318960), (16, 20404090), (20, 16323272), (28, 11659480), (32, 10202045), (35, 9327584), (40, 8161636), (49, 6662560), (56, 5829740), (70, 4663792), (80, 4080818), (98, 3331280), (112, 2914870), (140, 2331896), (160, 2040409), (196, 1665640), (224, 1457435), (245, 1332512), (280, 1165948), (392, 832820), (490, 666256), (560, 582974), (784, 416410), (980, 333128), (1120, 291487), (1568, 208205), (1960, 166564), (3920, 83282), (7840, 41641)]