64505000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 183691200

約数和(自身を除く): 119186200

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, 625, 665, 679, 700, 760, 776, 875, 950, 970, 1000, 1064, 1250, 1330, 1358, 1400, 1750, 1843, 1900, 1940, 2375, 2425, 2500, 2660, 2716, 3325, 3395, 3500, 3686, 3800, 3880, 4375, 4750, 4850, 5000, 5320, 5432, 6650, 6790, 7000, 7372, 8750, 9215, 9500, 9700, 11875, 12125, 12901, 13300, 13580, 14744, 16625, 16975, 17500, 18430, 19000, 19400, 23750, 24250, 25802, 26600, 27160, 33250, 33950, 35000, 36860, 46075, 47500, 48500, 51604, 60625, 64505, 66500, 67900, 73720, 83125, 84875, 92150, 95000, 97000, 103208, 121250, 129010, 133000, 135800, 166250, 169750, 184300, 230375, 242500, 258020, 322525, 332500, 339500, 368600, 424375, 460750, 485000, 516040, 645050, 665000, 679000, 848750, 921500, 1151875, 1290100, 1612625, 1697500, 1843000, 2303750, 2580200, 3225250, 3395000, 4607500, 6450500, 8063125, 9215000, 12901000, 16126250, 32252500, 64505000]

約数ペア:

[(1, 64505000), (2, 32252500), (4, 16126250), (5, 12901000), (7, 9215000), (8, 8063125), (10, 6450500), (14, 4607500), (19, 3395000), (20, 3225250), (25, 2580200), (28, 2303750), (35, 1843000), (38, 1697500), (40, 1612625), (50, 1290100), (56, 1151875), (70, 921500), (76, 848750), (95, 679000), (97, 665000), (100, 645050), (125, 516040), (133, 485000), (140, 460750), (152, 424375), (175, 368600), (190, 339500), (194, 332500), (200, 322525), (250, 258020), (266, 242500), (280, 230375), (350, 184300), (380, 169750), (388, 166250), (475, 135800), (485, 133000), (500, 129010), (532, 121250), (625, 103208), (665, 97000), (679, 95000), (700, 92150), (760, 84875), (776, 83125), (875, 73720), (950, 67900), (970, 66500), (1000, 64505), (1064, 60625), (1250, 51604), (1330, 48500), (1358, 47500), (1400, 46075), (1750, 36860), (1843, 35000), (1900, 33950), (1940, 33250), (2375, 27160), (2425, 26600), (2500, 25802), (2660, 24250), (2716, 23750), (3325, 19400), (3395, 19000), (3500, 18430), (3686, 17500), (3800, 16975), (3880, 16625), (4375, 14744), (4750, 13580), (4850, 13300), (5000, 12901), (5320, 12125), (5432, 11875), (6650, 9700), (6790, 9500), (7000, 9215), (7372, 8750)]