209535900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{883}}^1$

素因数の和:1020

約数の個数: 144

約数和(自身を含む): 699788544

約数和(自身を除く): 490252644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 113, 140, 150, 175, 210, 226, 300, 339, 350, 420, 452, 525, 565, 678, 700, 791, 883, 1050, 1130, 1356, 1582, 1695, 1766, 2100, 2260, 2373, 2649, 2825, 3164, 3390, 3532, 3955, 4415, 4746, 5298, 5650, 6181, 6780, 7910, 8475, 8830, 9492, 10596, 11300, 11865, 12362, 13245, 15820, 16950, 17660, 18543, 19775, 22075, 23730, 24724, 26490, 30905, 33900, 37086, 39550, 44150, 47460, 52980, 59325, 61810, 66225, 74172, 79100, 88300, 92715, 99779, 118650, 123620, 132450, 154525, 185430, 199558, 237300, 264900, 299337, 309050, 370860, 399116, 463575, 498895, 598674, 618100, 698453, 927150, 997790, 1197348, 1396906, 1496685, 1854300, 1995580, 2095359, 2494475, 2793812, 2993370, 3492265, 4190718, 4988950, 5986740, 6984530, 7483425, 8381436, 9977900, 10476795, 13969060, 14966850, 17461325, 20953590, 29933700, 34922650, 41907180, 52383975, 69845300, 104767950, 209535900]

約数ペア:

[(1, 209535900), (2, 104767950), (3, 69845300), (4, 52383975), (5, 41907180), (6, 34922650), (7, 29933700), (10, 20953590), (12, 17461325), (14, 14966850), (15, 13969060), (20, 10476795), (21, 9977900), (25, 8381436), (28, 7483425), (30, 6984530), (35, 5986740), (42, 4988950), (50, 4190718), (60, 3492265), (70, 2993370), (75, 2793812), (84, 2494475), (100, 2095359), (105, 1995580), (113, 1854300), (140, 1496685), (150, 1396906), (175, 1197348), (210, 997790), (226, 927150), (300, 698453), (339, 618100), (350, 598674), (420, 498895), (452, 463575), (525, 399116), (565, 370860), (678, 309050), (700, 299337), (791, 264900), (883, 237300), (1050, 199558), (1130, 185430), (1356, 154525), (1582, 132450), (1695, 123620), (1766, 118650), (2100, 99779), (2260, 92715), (2373, 88300), (2649, 79100), (2825, 74172), (3164, 66225), (3390, 61810), (3532, 59325), (3955, 52980), (4415, 47460), (4746, 44150), (5298, 39550), (5650, 37086), (6181, 33900), (6780, 30905), (7910, 26490), (8475, 24724), (8830, 23730), (9492, 22075), (10596, 19775), (11300, 18543), (11865, 17660), (12362, 16950), (13245, 15820)]