209924260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{115343}}^1$

素因数の和:115372

約数の個数: 48

約数和(自身を含む): 542578176

約数和(自身を除く): 332653916

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 115343, 230686, 461372, 576715, 807401, 1153430, 1499459, 1614802, 2306860, 2998918, 3229604, 4037005, 5997836, 7497295, 8074010, 10496213, 14994590, 16148020, 20992426, 29989180, 41984852, 52481065, 104962130, 209924260]

約数ペア:

[(1, 209924260), (2, 104962130), (4, 52481065), (5, 41984852), (7, 29989180), (10, 20992426), (13, 16148020), (14, 14994590), (20, 10496213), (26, 8074010), (28, 7497295), (35, 5997836), (52, 4037005), (65, 3229604), (70, 2998918), (91, 2306860), (130, 1614802), (140, 1499459), (182, 1153430), (260, 807401), (364, 576715), (455, 461372), (910, 230686), (1820, 115343)]