251391400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3119}}^1$

素因数の和:3179

約数の個数: 96

約数和(自身を含む): 649958400

約数和(自身を除く): 398567000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 155, 200, 248, 260, 310, 325, 403, 520, 620, 650, 775, 806, 1240, 1300, 1550, 1612, 2015, 2600, 3100, 3119, 3224, 4030, 6200, 6238, 8060, 10075, 12476, 15595, 16120, 20150, 24952, 31190, 40300, 40547, 62380, 77975, 80600, 81094, 96689, 124760, 155950, 162188, 193378, 202735, 311900, 324376, 386756, 405470, 483445, 623800, 773512, 810940, 966890, 1013675, 1256957, 1621880, 1933780, 2027350, 2417225, 2513914, 3867560, 4054700, 4834450, 5027828, 6284785, 8109400, 9668900, 10055656, 12569570, 19337800, 25139140, 31423925, 50278280, 62847850, 125695700, 251391400]

約数ペア:

[(1, 251391400), (2, 125695700), (4, 62847850), (5, 50278280), (8, 31423925), (10, 25139140), (13, 19337800), (20, 12569570), (25, 10055656), (26, 9668900), (31, 8109400), (40, 6284785), (50, 5027828), (52, 4834450), (62, 4054700), (65, 3867560), (100, 2513914), (104, 2417225), (124, 2027350), (130, 1933780), (155, 1621880), (200, 1256957), (248, 1013675), (260, 966890), (310, 810940), (325, 773512), (403, 623800), (520, 483445), (620, 405470), (650, 386756), (775, 324376), (806, 311900), (1240, 202735), (1300, 193378), (1550, 162188), (1612, 155950), (2015, 124760), (2600, 96689), (3100, 81094), (3119, 80600), (3224, 77975), (4030, 62380), (6200, 40547), (6238, 40300), (8060, 31190), (10075, 24952), (12476, 20150), (15595, 16120)]