209827500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:405

約数の個数: 120

約数和(自身を含む): 620089008

約数和(自身を除く): 410261508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 101, 125, 150, 202, 250, 277, 300, 303, 375, 404, 500, 505, 554, 606, 625, 750, 831, 1010, 1108, 1212, 1250, 1385, 1500, 1515, 1662, 1875, 2020, 2500, 2525, 2770, 3030, 3324, 3750, 4155, 5050, 5540, 6060, 6925, 7500, 7575, 8310, 10100, 12625, 13850, 15150, 16620, 20775, 25250, 27700, 27977, 30300, 34625, 37875, 41550, 50500, 55954, 63125, 69250, 75750, 83100, 83931, 103875, 111908, 126250, 138500, 139885, 151500, 167862, 173125, 189375, 207750, 252500, 279770, 335724, 346250, 378750, 415500, 419655, 519375, 559540, 692500, 699425, 757500, 839310, 1038750, 1398850, 1678620, 2077500, 2098275, 2797700, 3497125, 4196550, 6994250, 8393100, 10491375, 13988500, 17485625, 20982750, 34971250, 41965500, 52456875, 69942500, 104913750, 209827500]

約数ペア:

[(1, 209827500), (2, 104913750), (3, 69942500), (4, 52456875), (5, 41965500), (6, 34971250), (10, 20982750), (12, 17485625), (15, 13988500), (20, 10491375), (25, 8393100), (30, 6994250), (50, 4196550), (60, 3497125), (75, 2797700), (100, 2098275), (101, 2077500), (125, 1678620), (150, 1398850), (202, 1038750), (250, 839310), (277, 757500), (300, 699425), (303, 692500), (375, 559540), (404, 519375), (500, 419655), (505, 415500), (554, 378750), (606, 346250), (625, 335724), (750, 279770), (831, 252500), (1010, 207750), (1108, 189375), (1212, 173125), (1250, 167862), (1385, 151500), (1500, 139885), (1515, 138500), (1662, 126250), (1875, 111908), (2020, 103875), (2500, 83931), (2525, 83100), (2770, 75750), (3030, 69250), (3324, 63125), (3750, 55954), (4155, 50500), (5050, 41550), (5540, 37875), (6060, 34625), (6925, 30300), (7500, 27977), (7575, 27700), (8310, 25250), (10100, 20775), (12625, 16620), (13850, 15150)]