53909000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 136581120

約数和(自身を除く): 82672120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 37, 40, 47, 50, 62, 74, 94, 100, 124, 125, 148, 155, 185, 188, 200, 235, 248, 250, 296, 310, 370, 376, 470, 500, 620, 740, 775, 925, 940, 1000, 1147, 1175, 1240, 1457, 1480, 1550, 1739, 1850, 1880, 2294, 2350, 2914, 3100, 3478, 3700, 3875, 4588, 4625, 4700, 5735, 5828, 5875, 6200, 6956, 7285, 7400, 7750, 8695, 9176, 9250, 9400, 11470, 11656, 11750, 13912, 14570, 15500, 17390, 18500, 22940, 23500, 28675, 29140, 31000, 34780, 36425, 37000, 43475, 45880, 47000, 53909, 57350, 58280, 69560, 72850, 86950, 107818, 114700, 143375, 145700, 173900, 182125, 215636, 217375, 229400, 269545, 286750, 291400, 347800, 364250, 431272, 434750, 539090, 573500, 728500, 869500, 1078180, 1147000, 1347725, 1457000, 1739000, 2156360, 2695450, 5390900, 6738625, 10781800, 13477250, 26954500, 53909000]

約数ペア:

[(1, 53909000), (2, 26954500), (4, 13477250), (5, 10781800), (8, 6738625), (10, 5390900), (20, 2695450), (25, 2156360), (31, 1739000), (37, 1457000), (40, 1347725), (47, 1147000), (50, 1078180), (62, 869500), (74, 728500), (94, 573500), (100, 539090), (124, 434750), (125, 431272), (148, 364250), (155, 347800), (185, 291400), (188, 286750), (200, 269545), (235, 229400), (248, 217375), (250, 215636), (296, 182125), (310, 173900), (370, 145700), (376, 143375), (470, 114700), (500, 107818), (620, 86950), (740, 72850), (775, 69560), (925, 58280), (940, 57350), (1000, 53909), (1147, 47000), (1175, 45880), (1240, 43475), (1457, 37000), (1480, 36425), (1550, 34780), (1739, 31000), (1850, 29140), (1880, 28675), (2294, 23500), (2350, 22940), (2914, 18500), (3100, 17390), (3478, 15500), (3700, 14570), (3875, 13912), (4588, 11750), (4625, 11656), (4700, 11470), (5735, 9400), (5828, 9250), (5875, 9176), (6200, 8695), (6956, 7750), (7285, 7400)]