90401270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{409}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 175880160

約数和(自身を除く): 85478890

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 409, 713, 818, 961, 1426, 1922, 2045, 3565, 4090, 4805, 7130, 9407, 9610, 12679, 18814, 22103, 25358, 44206, 47035, 63395, 94070, 110515, 126790, 221030, 291617, 393049, 583234, 786098, 1458085, 1965245, 2916170, 3930490, 9040127, 18080254, 45200635, 90401270]

約数ペア:

[(1, 90401270), (2, 45200635), (5, 18080254), (10, 9040127), (23, 3930490), (31, 2916170), (46, 1965245), (62, 1458085), (115, 786098), (155, 583234), (230, 393049), (310, 291617), (409, 221030), (713, 126790), (818, 110515), (961, 94070), (1426, 63395), (1922, 47035), (2045, 44206), (3565, 25358), (4090, 22103), (4805, 18814), (7130, 12679), (9407, 9610)]