840450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 2249856

約数和(自身を除く): 1409406

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 431, 650, 862, 975, 1293, 1950, 2155, 2586, 4310, 5603, 6465, 10775, 11206, 12930, 16809, 21550, 28015, 32325, 33618, 56030, 64650, 84045, 140075, 168090, 280150, 420225, 840450]

約数ペア:

[(1, 840450), (2, 420225), (3, 280150), (5, 168090), (6, 140075), (10, 84045), (13, 64650), (15, 56030), (25, 33618), (26, 32325), (30, 28015), (39, 21550), (50, 16809), (65, 12930), (75, 11206), (78, 10775), (130, 6465), (150, 5603), (195, 4310), (325, 2586), (390, 2155), (431, 1950), (650, 1293), (862, 975)]