841840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 2075760

約数和(自身を除く): 1233920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 619, 680, 1238, 1360, 2476, 3095, 4952, 6190, 9904, 10523, 12380, 21046, 24760, 42092, 49520, 52615, 84184, 105230, 168368, 210460, 420920, 841840]

約数ペア:

[(1, 841840), (2, 420920), (4, 210460), (5, 168368), (8, 105230), (10, 84184), (16, 52615), (17, 49520), (20, 42092), (34, 24760), (40, 21046), (68, 12380), (80, 10523), (85, 9904), (136, 6190), (170, 4952), (272, 3095), (340, 2476), (619, 1360), (680, 1238)]