206840530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 427781088

約数和(自身を除く): 220940558

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 173, 221, 346, 442, 541, 865, 1082, 1105, 1730, 2210, 2249, 2705, 2941, 4498, 5410, 5882, 7033, 9197, 11245, 14066, 14705, 18394, 22490, 29410, 35165, 38233, 45985, 70330, 76466, 91970, 93593, 119561, 187186, 191165, 239122, 382330, 467965, 597805, 935930, 1195610, 1216709, 1591081, 2433418, 3182162, 6083545, 7955405, 12167090, 15910810, 20684053, 41368106, 103420265, 206840530]

約数ペア:

[(1, 206840530), (2, 103420265), (5, 41368106), (10, 20684053), (13, 15910810), (17, 12167090), (26, 7955405), (34, 6083545), (65, 3182162), (85, 2433418), (130, 1591081), (170, 1216709), (173, 1195610), (221, 935930), (346, 597805), (442, 467965), (541, 382330), (865, 239122), (1082, 191165), (1105, 187186), (1730, 119561), (2210, 93593), (2249, 91970), (2705, 76466), (2941, 70330), (4498, 45985), (5410, 38233), (5882, 35165), (7033, 29410), (9197, 22490), (11245, 18394), (14066, 14705)]