419025520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{308107}}^1$

素因数の和:308137

約数の個数: 40

約数和(自身を含む): 1031545584

約数和(自身を除く): 612520064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 308107, 616214, 1232428, 1540535, 2464856, 3081070, 4929712, 5237819, 6162140, 10475638, 12324280, 20951276, 24648560, 26189095, 41902552, 52378190, 83805104, 104756380, 209512760, 419025520]

約数ペア:

[(1, 419025520), (2, 209512760), (4, 104756380), (5, 83805104), (8, 52378190), (10, 41902552), (16, 26189095), (17, 24648560), (20, 20951276), (34, 12324280), (40, 10475638), (68, 6162140), (80, 5237819), (85, 4929712), (136, 3081070), (170, 2464856), (272, 1540535), (340, 1232428), (680, 616214), (1360, 308107)]