201280100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{683}}^1$

素因数の和:1125

約数の個数: 72

約数和(自身を含む): 501092928

約数和(自身を除く): 299812828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 421, 683, 700, 842, 1366, 1684, 2105, 2732, 2947, 3415, 4210, 4781, 5894, 6830, 8420, 9562, 10525, 11788, 13660, 14735, 17075, 19124, 21050, 23905, 29470, 34150, 42100, 47810, 58940, 68300, 73675, 95620, 119525, 147350, 239050, 287543, 294700, 478100, 575086, 1150172, 1437715, 2012801, 2875430, 4025602, 5750860, 7188575, 8051204, 10064005, 14377150, 20128010, 28754300, 40256020, 50320025, 100640050, 201280100]

約数ペア:

[(1, 201280100), (2, 100640050), (4, 50320025), (5, 40256020), (7, 28754300), (10, 20128010), (14, 14377150), (20, 10064005), (25, 8051204), (28, 7188575), (35, 5750860), (50, 4025602), (70, 2875430), (100, 2012801), (140, 1437715), (175, 1150172), (350, 575086), (421, 478100), (683, 294700), (700, 287543), (842, 239050), (1366, 147350), (1684, 119525), (2105, 95620), (2732, 73675), (2947, 68300), (3415, 58940), (4210, 47810), (4781, 42100), (5894, 34150), (6830, 29470), (8420, 23905), (9562, 21050), (10525, 19124), (11788, 17075), (13660, 14735)]