213972780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3889}}^1$

素因数の和:4039

約数の個数: 96

約数和(自身を含む): 690117120

約数和(自身を除く): 476144340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 131, 140, 210, 262, 393, 420, 524, 655, 786, 917, 1310, 1572, 1834, 1965, 2620, 2751, 3668, 3889, 3930, 4585, 5502, 7778, 7860, 9170, 11004, 11667, 13755, 15556, 18340, 19445, 23334, 27223, 27510, 38890, 46668, 54446, 55020, 58335, 77780, 81669, 108892, 116670, 136115, 163338, 233340, 272230, 326676, 408345, 509459, 544460, 816690, 1018918, 1528377, 1633380, 2037836, 2547295, 3056754, 3566213, 5094590, 6113508, 7132426, 7641885, 10189180, 10698639, 14264852, 15283770, 17831065, 21397278, 30567540, 35662130, 42794556, 53493195, 71324260, 106986390, 213972780]

約数ペア:

[(1, 213972780), (2, 106986390), (3, 71324260), (4, 53493195), (5, 42794556), (6, 35662130), (7, 30567540), (10, 21397278), (12, 17831065), (14, 15283770), (15, 14264852), (20, 10698639), (21, 10189180), (28, 7641885), (30, 7132426), (35, 6113508), (42, 5094590), (60, 3566213), (70, 3056754), (84, 2547295), (105, 2037836), (131, 1633380), (140, 1528377), (210, 1018918), (262, 816690), (393, 544460), (420, 509459), (524, 408345), (655, 326676), (786, 272230), (917, 233340), (1310, 163338), (1572, 136115), (1834, 116670), (1965, 108892), (2620, 81669), (2751, 77780), (3668, 58335), (3889, 55020), (3930, 54446), (4585, 46668), (5502, 38890), (7778, 27510), (7860, 27223), (9170, 23334), (11004, 19445), (11667, 18340), (13755, 15556)]