12901000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 36691200

約数和(自身を除く): 23790200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 95, 97, 100, 125, 133, 140, 152, 175, 190, 194, 200, 250, 266, 280, 350, 380, 388, 475, 485, 500, 532, 665, 679, 700, 760, 776, 875, 950, 970, 1000, 1064, 1330, 1358, 1400, 1750, 1843, 1900, 1940, 2375, 2425, 2660, 2716, 3325, 3395, 3500, 3686, 3800, 3880, 4750, 4850, 5320, 5432, 6650, 6790, 7000, 7372, 9215, 9500, 9700, 12125, 12901, 13300, 13580, 14744, 16625, 16975, 18430, 19000, 19400, 24250, 25802, 26600, 27160, 33250, 33950, 36860, 46075, 48500, 51604, 64505, 66500, 67900, 73720, 84875, 92150, 97000, 103208, 129010, 133000, 135800, 169750, 184300, 230375, 258020, 322525, 339500, 368600, 460750, 516040, 645050, 679000, 921500, 1290100, 1612625, 1843000, 2580200, 3225250, 6450500, 12901000]

約数ペア:

[(1, 12901000), (2, 6450500), (4, 3225250), (5, 2580200), (7, 1843000), (8, 1612625), (10, 1290100), (14, 921500), (19, 679000), (20, 645050), (25, 516040), (28, 460750), (35, 368600), (38, 339500), (40, 322525), (50, 258020), (56, 230375), (70, 184300), (76, 169750), (95, 135800), (97, 133000), (100, 129010), (125, 103208), (133, 97000), (140, 92150), (152, 84875), (175, 73720), (190, 67900), (194, 66500), (200, 64505), (250, 51604), (266, 48500), (280, 46075), (350, 36860), (380, 33950), (388, 33250), (475, 27160), (485, 26600), (500, 25802), (532, 24250), (665, 19400), (679, 19000), (700, 18430), (760, 16975), (776, 16625), (875, 14744), (950, 13580), (970, 13300), (1000, 12901), (1064, 12125), (1330, 9700), (1358, 9500), (1400, 9215), (1750, 7372), (1843, 7000), (1900, 6790), (1940, 6650), (2375, 5432), (2425, 5320), (2660, 4850), (2716, 4750), (3325, 3880), (3395, 3800), (3500, 3686)]