2137100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 5499648

約数和(自身を除く): 3362548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 71, 86, 100, 140, 142, 172, 175, 215, 284, 301, 350, 355, 430, 497, 602, 700, 710, 860, 994, 1075, 1204, 1420, 1505, 1775, 1988, 2150, 2485, 3010, 3053, 3550, 4300, 4970, 6020, 6106, 7100, 7525, 9940, 12212, 12425, 15050, 15265, 21371, 24850, 30100, 30530, 42742, 49700, 61060, 76325, 85484, 106855, 152650, 213710, 305300, 427420, 534275, 1068550, 2137100]

約数ペア:

[(1, 2137100), (2, 1068550), (4, 534275), (5, 427420), (7, 305300), (10, 213710), (14, 152650), (20, 106855), (25, 85484), (28, 76325), (35, 61060), (43, 49700), (50, 42742), (70, 30530), (71, 30100), (86, 24850), (100, 21371), (140, 15265), (142, 15050), (172, 12425), (175, 12212), (215, 9940), (284, 7525), (301, 7100), (350, 6106), (355, 6020), (430, 4970), (497, 4300), (602, 3550), (700, 3053), (710, 3010), (860, 2485), (994, 2150), (1075, 1988), (1204, 1775), (1420, 1505)]