28089670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 61378560

約数和(自身を除く): 33288890

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 73, 115, 146, 161, 230, 239, 322, 365, 478, 511, 730, 805, 1022, 1195, 1610, 1673, 1679, 2390, 2555, 3346, 3358, 5110, 5497, 8365, 8395, 10994, 11753, 16730, 16790, 17447, 23506, 27485, 34894, 38479, 54970, 58765, 76958, 87235, 117530, 122129, 174470, 192395, 244258, 384790, 401281, 610645, 802562, 1221290, 2006405, 2808967, 4012810, 5617934, 14044835, 28089670]

約数ペア:

[(1, 28089670), (2, 14044835), (5, 5617934), (7, 4012810), (10, 2808967), (14, 2006405), (23, 1221290), (35, 802562), (46, 610645), (70, 401281), (73, 384790), (115, 244258), (146, 192395), (161, 174470), (230, 122129), (239, 117530), (322, 87235), (365, 76958), (478, 58765), (511, 54970), (730, 38479), (805, 34894), (1022, 27485), (1195, 23506), (1610, 17447), (1673, 16790), (1679, 16730), (2390, 11753), (2555, 10994), (3346, 8395), (3358, 8365), (5110, 5497)]