49691000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 128044800

約数和(自身を除く): 78353800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 37, 40, 50, 68, 74, 79, 85, 100, 125, 136, 148, 158, 170, 185, 200, 250, 296, 316, 340, 370, 395, 425, 500, 629, 632, 680, 740, 790, 850, 925, 1000, 1258, 1343, 1480, 1580, 1700, 1850, 1975, 2125, 2516, 2686, 2923, 3145, 3160, 3400, 3700, 3950, 4250, 4625, 5032, 5372, 5846, 6290, 6715, 7400, 7900, 8500, 9250, 9875, 10744, 11692, 12580, 13430, 14615, 15725, 15800, 17000, 18500, 19750, 23384, 25160, 26860, 29230, 31450, 33575, 37000, 39500, 49691, 53720, 58460, 62900, 67150, 73075, 78625, 79000, 99382, 116920, 125800, 134300, 146150, 157250, 167875, 198764, 248455, 268600, 292300, 314500, 335750, 365375, 397528, 496910, 584600, 629000, 671500, 730750, 993820, 1242275, 1343000, 1461500, 1987640, 2484550, 2923000, 4969100, 6211375, 9938200, 12422750, 24845500, 49691000]

約数ペア:

[(1, 49691000), (2, 24845500), (4, 12422750), (5, 9938200), (8, 6211375), (10, 4969100), (17, 2923000), (20, 2484550), (25, 1987640), (34, 1461500), (37, 1343000), (40, 1242275), (50, 993820), (68, 730750), (74, 671500), (79, 629000), (85, 584600), (100, 496910), (125, 397528), (136, 365375), (148, 335750), (158, 314500), (170, 292300), (185, 268600), (200, 248455), (250, 198764), (296, 167875), (316, 157250), (340, 146150), (370, 134300), (395, 125800), (425, 116920), (500, 99382), (629, 79000), (632, 78625), (680, 73075), (740, 67150), (790, 62900), (850, 58460), (925, 53720), (1000, 49691), (1258, 39500), (1343, 37000), (1480, 33575), (1580, 31450), (1700, 29230), (1850, 26860), (1975, 25160), (2125, 23384), (2516, 19750), (2686, 18500), (2923, 17000), (3145, 15800), (3160, 15725), (3400, 14615), (3700, 13430), (3950, 12580), (4250, 11692), (4625, 10744), (5032, 9875), (5372, 9250), (5846, 8500), (6290, 7900), (6715, 7400)]