209841210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{32839}}^1$

素因数の和:32923

約数の個数: 48

約数和(自身を含む): 553288320

約数和(自身を除く): 343447110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 32839, 65678, 98517, 164195, 197034, 295551, 328390, 492585, 591102, 985170, 1477755, 2331569, 2955510, 4663138, 6994707, 11657845, 13989414, 20984121, 23315690, 34973535, 41968242, 69947070, 104920605, 209841210]

約数ペア:

[(1, 209841210), (2, 104920605), (3, 69947070), (5, 41968242), (6, 34973535), (9, 23315690), (10, 20984121), (15, 13989414), (18, 11657845), (30, 6994707), (45, 4663138), (71, 2955510), (90, 2331569), (142, 1477755), (213, 985170), (355, 591102), (426, 492585), (639, 328390), (710, 295551), (1065, 197034), (1278, 164195), (2130, 98517), (3195, 65678), (6390, 32839)]