2106860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 5140800

約数和(自身を除く): 3033940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 149, 202, 298, 404, 505, 596, 707, 745, 1010, 1043, 1414, 1490, 2020, 2086, 2828, 2980, 3535, 4172, 5215, 7070, 10430, 14140, 15049, 20860, 30098, 60196, 75245, 105343, 150490, 210686, 300980, 421372, 526715, 1053430, 2106860]

約数ペア:

[(1, 2106860), (2, 1053430), (4, 526715), (5, 421372), (7, 300980), (10, 210686), (14, 150490), (20, 105343), (28, 75245), (35, 60196), (70, 30098), (101, 20860), (140, 15049), (149, 14140), (202, 10430), (298, 7070), (404, 5215), (505, 4172), (596, 3535), (707, 2980), (745, 2828), (1010, 2086), (1043, 2020), (1414, 1490)]