138171180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{46997}}^1$

素因数の和:47023

約数の個数: 72

約数和(自身を含む): 450052848

約数和(自身を除く): 311881668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 46997, 93994, 140991, 187988, 234985, 281982, 328979, 469970, 563964, 657958, 704955, 939940, 986937, 1315916, 1409910, 1644895, 1973874, 2302853, 2819820, 3289790, 3947748, 4605706, 4934685, 6579580, 6908559, 9211412, 9869370, 11514265, 13817118, 19738740, 23028530, 27634236, 34542795, 46057060, 69085590, 138171180]

約数ペア:

[(1, 138171180), (2, 69085590), (3, 46057060), (4, 34542795), (5, 27634236), (6, 23028530), (7, 19738740), (10, 13817118), (12, 11514265), (14, 9869370), (15, 9211412), (20, 6908559), (21, 6579580), (28, 4934685), (30, 4605706), (35, 3947748), (42, 3289790), (49, 2819820), (60, 2302853), (70, 1973874), (84, 1644895), (98, 1409910), (105, 1315916), (140, 986937), (147, 939940), (196, 704955), (210, 657958), (245, 563964), (294, 469970), (420, 328979), (490, 281982), (588, 234985), (735, 187988), (980, 140991), (1470, 93994), (2940, 46997)]