204297275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 315604800

約数和(自身を除く): 111307525

約数列:

[1, 5, 7, 13, 25, 35, 65, 89, 91, 175, 325, 445, 455, 623, 1009, 1157, 2225, 2275, 3115, 5045, 5785, 7063, 8099, 13117, 15575, 25225, 28925, 35315, 40495, 65585, 89801, 91819, 176575, 202475, 327925, 449005, 459095, 628607, 1167413, 2245025, 2295475, 3143035, 5837065, 8171891, 15715175, 29185325, 40859455, 204297275]

約数ペア:

[(1, 204297275), (5, 40859455), (7, 29185325), (13, 15715175), (25, 8171891), (35, 5837065), (65, 3143035), (89, 2295475), (91, 2245025), (175, 1167413), (325, 628607), (445, 459095), (455, 449005), (623, 327925), (1009, 202475), (1157, 176575), (2225, 91819), (2275, 89801), (3115, 65585), (5045, 40495), (5785, 35315), (7063, 28925), (8099, 25225), (13117, 15575)]