208268970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{76289}}^1$

素因数の和:76319

約数の個数: 64

約数和(自身を含む): 615202560

約数和(自身を除く): 406933590

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 76289, 152578, 228867, 381445, 457734, 534023, 762890, 991757, 1068046, 1144335, 1602069, 1983514, 2288670, 2670115, 2975271, 3204138, 4958785, 5340230, 5950542, 6942299, 8010345, 9917570, 13884598, 14876355, 16020690, 20826897, 29752710, 34711495, 41653794, 69422990, 104134485, 208268970]

約数ペア:

[(1, 208268970), (2, 104134485), (3, 69422990), (5, 41653794), (6, 34711495), (7, 29752710), (10, 20826897), (13, 16020690), (14, 14876355), (15, 13884598), (21, 9917570), (26, 8010345), (30, 6942299), (35, 5950542), (39, 5340230), (42, 4958785), (65, 3204138), (70, 2975271), (78, 2670115), (91, 2288670), (105, 1983514), (130, 1602069), (182, 1144335), (195, 1068046), (210, 991757), (273, 762890), (390, 534023), (455, 457734), (546, 381445), (910, 228867), (1365, 152578), (2730, 76289)]