407529440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149827}}^1$

素因数の和:149859

約数の個数: 48

約数和(自身を含む): 1019429712

約数和(自身を除く): 611900272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 149827, 299654, 599308, 749135, 1198616, 1498270, 2397232, 2547059, 2996540, 4794464, 5094118, 5993080, 10188236, 11986160, 12735295, 20376472, 23972320, 25470590, 40752944, 50941180, 81505888, 101882360, 203764720, 407529440]

約数ペア:

[(1, 407529440), (2, 203764720), (4, 101882360), (5, 81505888), (8, 50941180), (10, 40752944), (16, 25470590), (17, 23972320), (20, 20376472), (32, 12735295), (34, 11986160), (40, 10188236), (68, 5993080), (80, 5094118), (85, 4794464), (136, 2996540), (160, 2547059), (170, 2397232), (272, 1498270), (340, 1198616), (544, 749135), (680, 599308), (1360, 299654), (2720, 149827)]