1209920290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{59107}}^1$

素因数の和:59226

約数の個数: 32

約数和(自身を含む): 2298119040

約数和(自身を除く): 1088198750

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 10235, 20470, 59107, 118214, 295535, 591070, 1359461, 2718922, 5260523, 6797305, 10521046, 13594610, 26302615, 52605230, 120992029, 241984058, 604960145, 1209920290]

約数ペア:

[(1, 1209920290), (2, 604960145), (5, 241984058), (10, 120992029), (23, 52605230), (46, 26302615), (89, 13594610), (115, 10521046), (178, 6797305), (230, 5260523), (445, 2718922), (890, 1359461), (2047, 591070), (4094, 295535), (10235, 118214), (20470, 59107)]