1209340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 2903040

約数和(自身を除く): 1693700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 239, 253, 460, 478, 506, 956, 1012, 1195, 1265, 2390, 2530, 2629, 4780, 5060, 5258, 5497, 10516, 10994, 13145, 21988, 26290, 27485, 52580, 54970, 60467, 109940, 120934, 241868, 302335, 604670, 1209340]

約数ペア:

[(1, 1209340), (2, 604670), (4, 302335), (5, 241868), (10, 120934), (11, 109940), (20, 60467), (22, 54970), (23, 52580), (44, 27485), (46, 26290), (55, 21988), (92, 13145), (110, 10994), (115, 10516), (220, 5497), (230, 5258), (239, 5060), (253, 4780), (460, 2629), (478, 2530), (506, 2390), (956, 1265), (1012, 1195)]