209076400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1359

約数の個数: 120

約数和(自身を含む): 558825344

約数和(自身を除く): 349748944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 620, 650, 775, 806, 1040, 1240, 1297, 1300, 1550, 1612, 2015, 2480, 2594, 2600, 3100, 3224, 4030, 5188, 5200, 6200, 6448, 6485, 8060, 10075, 10376, 12400, 12970, 16120, 16861, 20150, 20752, 25940, 32240, 32425, 33722, 40207, 40300, 51880, 64850, 67444, 80414, 80600, 84305, 103760, 129700, 134888, 160828, 161200, 168610, 201035, 259400, 269776, 321656, 337220, 402070, 421525, 518800, 522691, 643312, 674440, 804140, 843050, 1005175, 1045382, 1348880, 1608280, 1686100, 2010350, 2090764, 2613455, 3216560, 3372200, 4020700, 4181528, 5226910, 6744400, 8041400, 8363056, 10453820, 13067275, 16082800, 20907640, 26134550, 41815280, 52269100, 104538200, 209076400]

約数ペア:

[(1, 209076400), (2, 104538200), (4, 52269100), (5, 41815280), (8, 26134550), (10, 20907640), (13, 16082800), (16, 13067275), (20, 10453820), (25, 8363056), (26, 8041400), (31, 6744400), (40, 5226910), (50, 4181528), (52, 4020700), (62, 3372200), (65, 3216560), (80, 2613455), (100, 2090764), (104, 2010350), (124, 1686100), (130, 1608280), (155, 1348880), (200, 1045382), (208, 1005175), (248, 843050), (260, 804140), (310, 674440), (325, 643312), (400, 522691), (403, 518800), (496, 421525), (520, 402070), (620, 337220), (650, 321656), (775, 269776), (806, 259400), (1040, 201035), (1240, 168610), (1297, 161200), (1300, 160828), (1550, 134888), (1612, 129700), (2015, 103760), (2480, 84305), (2594, 80600), (2600, 80414), (3100, 67444), (3224, 64850), (4030, 51880), (5188, 40300), (5200, 40207), (6200, 33722), (6448, 32425), (6485, 32240), (8060, 25940), (10075, 20752), (10376, 20150), (12400, 16861), (12970, 16120)]