64900500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^2\times {\mathrm{883}}^1$

素因数の和:919

約数の個数: 144

約数和(自身を含む): 220094784

約数和(自身を除く): 155194284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 125, 140, 147, 150, 175, 196, 210, 245, 250, 294, 300, 350, 375, 420, 490, 500, 525, 588, 700, 735, 750, 875, 883, 980, 1050, 1225, 1470, 1500, 1750, 1766, 2100, 2450, 2625, 2649, 2940, 3500, 3532, 3675, 4415, 4900, 5250, 5298, 6125, 6181, 7350, 8830, 10500, 10596, 12250, 12362, 13245, 14700, 17660, 18375, 18543, 22075, 24500, 24724, 26490, 30905, 36750, 37086, 43267, 44150, 52980, 61810, 66225, 73500, 74172, 86534, 88300, 92715, 110375, 123620, 129801, 132450, 154525, 173068, 185430, 216335, 220750, 259602, 264900, 309050, 331125, 370860, 432670, 441500, 463575, 519204, 618100, 649005, 662250, 772625, 865340, 927150, 1081675, 1298010, 1324500, 1545250, 1854300, 2163350, 2317875, 2596020, 3090500, 3245025, 4326700, 4635750, 5408375, 6490050, 9271500, 10816750, 12980100, 16225125, 21633500, 32450250, 64900500]

約数ペア:

[(1, 64900500), (2, 32450250), (3, 21633500), (4, 16225125), (5, 12980100), (6, 10816750), (7, 9271500), (10, 6490050), (12, 5408375), (14, 4635750), (15, 4326700), (20, 3245025), (21, 3090500), (25, 2596020), (28, 2317875), (30, 2163350), (35, 1854300), (42, 1545250), (49, 1324500), (50, 1298010), (60, 1081675), (70, 927150), (75, 865340), (84, 772625), (98, 662250), (100, 649005), (105, 618100), (125, 519204), (140, 463575), (147, 441500), (150, 432670), (175, 370860), (196, 331125), (210, 309050), (245, 264900), (250, 259602), (294, 220750), (300, 216335), (350, 185430), (375, 173068), (420, 154525), (490, 132450), (500, 129801), (525, 123620), (588, 110375), (700, 92715), (735, 88300), (750, 86534), (875, 74172), (883, 73500), (980, 66225), (1050, 61810), (1225, 52980), (1470, 44150), (1500, 43267), (1750, 37086), (1766, 36750), (2100, 30905), (2450, 26490), (2625, 24724), (2649, 24500), (2940, 22075), (3500, 18543), (3532, 18375), (3675, 17660), (4415, 14700), (4900, 13245), (5250, 12362), (5298, 12250), (6125, 10596), (6181, 10500), (7350, 8830)]