206835980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19403}}^1$

素因数の和:19466

約数の個数: 48

約数和(自身を含む): 479201184

約数和(自身を除く): 272365204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 19403, 38806, 77612, 97015, 194030, 252239, 388060, 504478, 795523, 1008956, 1261195, 1591046, 2522390, 3182092, 3977615, 5044780, 7955230, 10341799, 15910460, 20683598, 41367196, 51708995, 103417990, 206835980]

約数ペア:

[(1, 206835980), (2, 103417990), (4, 51708995), (5, 41367196), (10, 20683598), (13, 15910460), (20, 10341799), (26, 7955230), (41, 5044780), (52, 3977615), (65, 3182092), (82, 2522390), (130, 1591046), (164, 1261195), (205, 1008956), (260, 795523), (410, 504478), (533, 388060), (820, 252239), (1066, 194030), (2132, 97015), (2665, 77612), (5330, 38806), (10660, 19403)]