203764720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149827}}^1$

素因数の和:149857

約数の個数: 40

約数和(自身を含む): 501624144

約数和(自身を除く): 297859424

約数列:

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

約数ペア:

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