817967320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{1399}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 1886976000

約数和(自身を除く): 1069008680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 311, 376, 470, 622, 940, 1244, 1399, 1555, 1880, 2488, 2798, 3110, 5596, 6220, 6995, 11192, 12440, 13990, 14617, 27980, 29234, 55960, 58468, 65753, 73085, 116936, 131506, 146170, 263012, 292340, 328765, 435089, 526024, 584680, 657530, 870178, 1315060, 1740356, 2175445, 2630120, 3480712, 4350890, 8701780, 17403560, 20449183, 40898366, 81796732, 102245915, 163593464, 204491830, 408983660, 817967320]

約数ペア:

[(1, 817967320), (2, 408983660), (4, 204491830), (5, 163593464), (8, 102245915), (10, 81796732), (20, 40898366), (40, 20449183), (47, 17403560), (94, 8701780), (188, 4350890), (235, 3480712), (311, 2630120), (376, 2175445), (470, 1740356), (622, 1315060), (940, 870178), (1244, 657530), (1399, 584680), (1555, 526024), (1880, 435089), (2488, 328765), (2798, 292340), (3110, 263012), (5596, 146170), (6220, 131506), (6995, 116936), (11192, 73085), (12440, 65753), (13990, 58468), (14617, 55960), (27980, 29234)]