315048440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{160739}}^1$

素因数の和:160764

約数の個数: 48

約数和(自身を含む): 824596200

約数和(自身を除く): 509547760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 160739, 321478, 642956, 803695, 1125173, 1285912, 1607390, 2250346, 3214780, 4500692, 5625865, 6429560, 7876211, 9001384, 11251730, 15752422, 22503460, 31504844, 39381055, 45006920, 63009688, 78762110, 157524220, 315048440]

約数ペア:

[(1, 315048440), (2, 157524220), (4, 78762110), (5, 63009688), (7, 45006920), (8, 39381055), (10, 31504844), (14, 22503460), (20, 15752422), (28, 11251730), (35, 9001384), (40, 7876211), (49, 6429560), (56, 5625865), (70, 4500692), (98, 3214780), (140, 2250346), (196, 1607390), (245, 1285912), (280, 1125173), (392, 803695), (490, 642956), (980, 321478), (1960, 160739)]