520020500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 1244827584

約数和(自身を除く): 724807084

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 67, 76, 86, 95, 100, 125, 134, 172, 190, 215, 250, 268, 335, 361, 380, 430, 475, 500, 670, 722, 817, 860, 950, 1075, 1273, 1340, 1444, 1634, 1675, 1805, 1900, 2150, 2375, 2546, 2881, 3268, 3350, 3610, 4085, 4300, 4750, 5092, 5375, 5762, 6365, 6700, 7220, 8170, 8375, 9025, 9500, 10750, 11524, 12730, 14405, 15523, 16340, 16750, 18050, 20425, 21500, 24187, 25460, 28810, 31046, 31825, 33500, 36100, 40850, 45125, 48374, 54739, 57620, 62092, 63650, 72025, 77615, 81700, 90250, 96748, 102125, 109478, 120935, 127300, 144050, 155230, 159125, 180500, 204250, 218956, 241870, 273695, 288100, 310460, 318250, 360125, 388075, 408500, 483740, 547390, 604675, 636500, 720250, 776150, 1040041, 1094780, 1209350, 1368475, 1440500, 1552300, 1940375, 2080082, 2418700, 2736950, 3023375, 3880750, 4160164, 5200205, 5473900, 6046750, 6842375, 7761500, 10400410, 12093500, 13684750, 20800820, 26001025, 27369500, 52002050, 104004100, 130005125, 260010250, 520020500]

約数ペア:

[(1, 520020500), (2, 260010250), (4, 130005125), (5, 104004100), (10, 52002050), (19, 27369500), (20, 26001025), (25, 20800820), (38, 13684750), (43, 12093500), (50, 10400410), (67, 7761500), (76, 6842375), (86, 6046750), (95, 5473900), (100, 5200205), (125, 4160164), (134, 3880750), (172, 3023375), (190, 2736950), (215, 2418700), (250, 2080082), (268, 1940375), (335, 1552300), (361, 1440500), (380, 1368475), (430, 1209350), (475, 1094780), (500, 1040041), (670, 776150), (722, 720250), (817, 636500), (860, 604675), (950, 547390), (1075, 483740), (1273, 408500), (1340, 388075), (1444, 360125), (1634, 318250), (1675, 310460), (1805, 288100), (1900, 273695), (2150, 241870), (2375, 218956), (2546, 204250), (2881, 180500), (3268, 159125), (3350, 155230), (3610, 144050), (4085, 127300), (4300, 120935), (4750, 109478), (5092, 102125), (5375, 96748), (5762, 90250), (6365, 81700), (6700, 77615), (7220, 72025), (8170, 63650), (8375, 62092), (9025, 57620), (9500, 54739), (10750, 48374), (11524, 45125), (12730, 40850), (14405, 36100), (15523, 33500), (16340, 31825), (16750, 31046), (18050, 28810), (20425, 25460), (21500, 24187)]