2139760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3821}}^1$

素因数の和:3841

約数の個数: 40

約数和(自身を含む): 5687136

約数和(自身を除く): 3547376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3821, 7642, 15284, 19105, 26747, 30568, 38210, 53494, 61136, 76420, 106988, 133735, 152840, 213976, 267470, 305680, 427952, 534940, 1069880, 2139760]

約数ペア:

[(1, 2139760), (2, 1069880), (4, 534940), (5, 427952), (7, 305680), (8, 267470), (10, 213976), (14, 152840), (16, 133735), (20, 106988), (28, 76420), (35, 61136), (40, 53494), (56, 38210), (70, 30568), (80, 26747), (112, 19105), (140, 15284), (280, 7642), (560, 3821)]