621570340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{5987}}^1$

素因数の和:6204

約数の個数: 48

約数和(自身を含む): 1358078400

約数和(自身を除く): 736508060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 179, 290, 358, 580, 716, 895, 1790, 3580, 5191, 5987, 10382, 11974, 20764, 23948, 25955, 29935, 51910, 59870, 103820, 119740, 173623, 347246, 694492, 868115, 1071673, 1736230, 2143346, 3472460, 4286692, 5358365, 10716730, 21433460, 31078517, 62157034, 124314068, 155392585, 310785170, 621570340]

約数ペア:

[(1, 621570340), (2, 310785170), (4, 155392585), (5, 124314068), (10, 62157034), (20, 31078517), (29, 21433460), (58, 10716730), (116, 5358365), (145, 4286692), (179, 3472460), (290, 2143346), (358, 1736230), (580, 1071673), (716, 868115), (895, 694492), (1790, 347246), (3580, 173623), (5191, 119740), (5987, 103820), (10382, 59870), (11974, 51910), (20764, 29935), (23948, 25955)]