156949780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{35509}}^1$

素因数の和:35548

約数の個数: 48

約数和(自身を含む): 375837840

約数和(自身を除く): 218888060

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 35509, 71018, 142036, 177545, 355090, 461617, 603653, 710180, 923234, 1207306, 1846468, 2308085, 2414612, 3018265, 4616170, 6036530, 7847489, 9232340, 12073060, 15694978, 31389956, 39237445, 78474890, 156949780]

約数ペア:

[(1, 156949780), (2, 78474890), (4, 39237445), (5, 31389956), (10, 15694978), (13, 12073060), (17, 9232340), (20, 7847489), (26, 6036530), (34, 4616170), (52, 3018265), (65, 2414612), (68, 2308085), (85, 1846468), (130, 1207306), (170, 923234), (221, 710180), (260, 603653), (340, 461617), (442, 355090), (884, 177545), (1105, 142036), (2210, 71018), (4420, 35509)]