194965520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{143357}}^1$

素因数の和:143387

約数の個数: 40

約数和(自身を含む): 479962584

約数和(自身を除く): 284997064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 143357, 286714, 573428, 716785, 1146856, 1433570, 2293712, 2437069, 2867140, 4874138, 5734280, 9748276, 11468560, 12185345, 19496552, 24370690, 38993104, 48741380, 97482760, 194965520]

約数ペア:

[(1, 194965520), (2, 97482760), (4, 48741380), (5, 38993104), (8, 24370690), (10, 19496552), (16, 12185345), (17, 11468560), (20, 9748276), (34, 5734280), (40, 4874138), (68, 2867140), (80, 2437069), (85, 2293712), (136, 1433570), (170, 1146856), (272, 716785), (340, 573428), (680, 286714), (1360, 143357)]