2140509210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1999}}^1\times {\mathrm{5099}}^1$

素因数の和:7115

約数の個数: 64

約数和(自身を含む): 5875200000

約数和(自身を除く): 3734690790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1999, 3998, 5099, 5997, 9995, 10198, 11994, 13993, 15297, 19990, 25495, 27986, 29985, 30594, 35693, 41979, 50990, 59970, 69965, 71386, 76485, 83958, 107079, 139930, 152970, 178465, 209895, 214158, 356930, 419790, 535395, 1070790, 10192901, 20385802, 30578703, 50964505, 61157406, 71350307, 101929010, 142700614, 152893515, 214050921, 305787030, 356751535, 428101842, 713503070, 1070254605, 2140509210]

約数ペア:

[(1, 2140509210), (2, 1070254605), (3, 713503070), (5, 428101842), (6, 356751535), (7, 305787030), (10, 214050921), (14, 152893515), (15, 142700614), (21, 101929010), (30, 71350307), (35, 61157406), (42, 50964505), (70, 30578703), (105, 20385802), (210, 10192901), (1999, 1070790), (3998, 535395), (5099, 419790), (5997, 356930), (9995, 214158), (10198, 209895), (11994, 178465), (13993, 152970), (15297, 139930), (19990, 107079), (25495, 83958), (27986, 76485), (29985, 71386), (30594, 69965), (35693, 59970), (41979, 50990)]