1230440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1619}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 2916000

約数和(自身を除く): 1685560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1619, 3238, 6476, 8095, 12952, 16190, 30761, 32380, 61522, 64760, 123044, 153805, 246088, 307610, 615220, 1230440]

約数ペア:

[(1, 1230440), (2, 615220), (4, 307610), (5, 246088), (8, 153805), (10, 123044), (19, 64760), (20, 61522), (38, 32380), (40, 30761), (76, 16190), (95, 12952), (152, 8095), (190, 6476), (380, 3238), (760, 1619)]