2806000

素因数分解:

$2^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:107

約数の個数: 80

約数和(自身を含む): 7195968

約数和(自身を除く): 4389968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 61, 80, 92, 100, 115, 122, 125, 184, 200, 230, 244, 250, 305, 368, 400, 460, 488, 500, 575, 610, 920, 976, 1000, 1150, 1220, 1403, 1525, 1840, 2000, 2300, 2440, 2806, 2875, 3050, 4600, 4880, 5612, 5750, 6100, 7015, 7625, 9200, 11224, 11500, 12200, 14030, 15250, 22448, 23000, 24400, 28060, 30500, 35075, 46000, 56120, 61000, 70150, 112240, 122000, 140300, 175375, 280600, 350750, 561200, 701500, 1403000, 2806000]

約数ペア:

[(1, 2806000), (2, 1403000), (4, 701500), (5, 561200), (8, 350750), (10, 280600), (16, 175375), (20, 140300), (23, 122000), (25, 112240), (40, 70150), (46, 61000), (50, 56120), (61, 46000), (80, 35075), (92, 30500), (100, 28060), (115, 24400), (122, 23000), (125, 22448), (184, 15250), (200, 14030), (230, 12200), (244, 11500), (250, 11224), (305, 9200), (368, 7625), (400, 7015), (460, 6100), (488, 5750), (500, 5612), (575, 4880), (610, 4600), (920, 3050), (976, 2875), (1000, 2806), (1150, 2440), (1220, 2300), (1403, 2000), (1525, 1840)]