209112680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5701}}^1$

素因数の和:5850

約数の個数: 64

約数和(自身を含む): 541918080

約数和(自身を除く): 332805400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4585, 5240, 5701, 7336, 9170, 11402, 18340, 22804, 28505, 36680, 39907, 45608, 57010, 79814, 114020, 159628, 199535, 228040, 319256, 399070, 746831, 798140, 1493662, 1596280, 2987324, 3734155, 5227817, 5974648, 7468310, 10455634, 14936620, 20911268, 26139085, 29873240, 41822536, 52278170, 104556340, 209112680]

約数ペア:

[(1, 209112680), (2, 104556340), (4, 52278170), (5, 41822536), (7, 29873240), (8, 26139085), (10, 20911268), (14, 14936620), (20, 10455634), (28, 7468310), (35, 5974648), (40, 5227817), (56, 3734155), (70, 2987324), (131, 1596280), (140, 1493662), (262, 798140), (280, 746831), (524, 399070), (655, 319256), (917, 228040), (1048, 199535), (1310, 159628), (1834, 114020), (2620, 79814), (3668, 57010), (4585, 45608), (5240, 39907), (5701, 36680), (7336, 28505), (9170, 22804), (11402, 18340)]