844900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 2249856

約数和(自身を除く): 1404956

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 71, 85, 100, 119, 140, 142, 170, 175, 238, 284, 340, 350, 355, 425, 476, 497, 595, 700, 710, 850, 994, 1190, 1207, 1420, 1700, 1775, 1988, 2380, 2414, 2485, 2975, 3550, 4828, 4970, 5950, 6035, 7100, 8449, 9940, 11900, 12070, 12425, 16898, 24140, 24850, 30175, 33796, 42245, 49700, 60350, 84490, 120700, 168980, 211225, 422450, 844900]

約数ペア:

[(1, 844900), (2, 422450), (4, 211225), (5, 168980), (7, 120700), (10, 84490), (14, 60350), (17, 49700), (20, 42245), (25, 33796), (28, 30175), (34, 24850), (35, 24140), (50, 16898), (68, 12425), (70, 12070), (71, 11900), (85, 9940), (100, 8449), (119, 7100), (140, 6035), (142, 5950), (170, 4970), (175, 4828), (238, 3550), (284, 2975), (340, 2485), (350, 2414), (355, 2380), (425, 1988), (476, 1775), (497, 1700), (595, 1420), (700, 1207), (710, 1190), (850, 994)]