2686980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2357}}^1$

素因数の和:2388

約数の個数: 48

約数和(自身を含む): 7922880

約数和(自身を除く): 5235900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 2357, 4714, 7071, 9428, 11785, 14142, 23570, 28284, 35355, 44783, 47140, 70710, 89566, 134349, 141420, 179132, 223915, 268698, 447830, 537396, 671745, 895660, 1343490, 2686980]

約数ペア:

[(1, 2686980), (2, 1343490), (3, 895660), (4, 671745), (5, 537396), (6, 447830), (10, 268698), (12, 223915), (15, 179132), (19, 141420), (20, 134349), (30, 89566), (38, 70710), (57, 47140), (60, 44783), (76, 35355), (95, 28284), (114, 23570), (190, 14142), (228, 11785), (285, 9428), (380, 7071), (570, 4714), (1140, 2357)]