123139000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{6481}}^1$

素因数の和:6521

約数の個数: 64

約数和(自身を含む): 303357600

約数和(自身を除く): 180218600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1900, 2375, 3800, 4750, 6481, 9500, 12962, 19000, 25924, 32405, 51848, 64810, 123139, 129620, 162025, 246278, 259240, 324050, 492556, 615695, 648100, 810125, 985112, 1231390, 1296200, 1620250, 2462780, 3078475, 3240500, 4925560, 6156950, 6481000, 12313900, 15392375, 24627800, 30784750, 61569500, 123139000]

約数ペア:

[(1, 123139000), (2, 61569500), (4, 30784750), (5, 24627800), (8, 15392375), (10, 12313900), (19, 6481000), (20, 6156950), (25, 4925560), (38, 3240500), (40, 3078475), (50, 2462780), (76, 1620250), (95, 1296200), (100, 1231390), (125, 985112), (152, 810125), (190, 648100), (200, 615695), (250, 492556), (380, 324050), (475, 259240), (500, 246278), (760, 162025), (950, 129620), (1000, 123139), (1900, 64810), (2375, 51848), (3800, 32405), (4750, 25924), (6481, 19000), (9500, 12962)]