291040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 734832

約数和(自身を除く): 443792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 107, 136, 160, 170, 214, 272, 340, 428, 535, 544, 680, 856, 1070, 1360, 1712, 1819, 2140, 2720, 3424, 3638, 4280, 7276, 8560, 9095, 14552, 17120, 18190, 29104, 36380, 58208, 72760, 145520, 291040]

約数ペア:

[(1, 291040), (2, 145520), (4, 72760), (5, 58208), (8, 36380), (10, 29104), (16, 18190), (17, 17120), (20, 14552), (32, 9095), (34, 8560), (40, 7276), (68, 4280), (80, 3638), (85, 3424), (107, 2720), (136, 2140), (160, 1819), (170, 1712), (214, 1360), (272, 1070), (340, 856), (428, 680), (535, 544)]