665906350

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{18679}}^1$

素因数の和:18745

約数の個数: 48

約数和(自身を含む): 1334200320

約数和(自身を除く): 668293970

約数列:

[1, 2, 5, 10, 23, 25, 31, 46, 50, 62, 115, 155, 230, 310, 575, 713, 775, 1150, 1426, 1550, 3565, 7130, 17825, 18679, 35650, 37358, 93395, 186790, 429617, 466975, 579049, 859234, 933950, 1158098, 2148085, 2895245, 4296170, 5790490, 10740425, 13318127, 14476225, 21480850, 26636254, 28952450, 66590635, 133181270, 332953175, 665906350]

約数ペア:

[(1, 665906350), (2, 332953175), (5, 133181270), (10, 66590635), (23, 28952450), (25, 26636254), (31, 21480850), (46, 14476225), (50, 13318127), (62, 10740425), (115, 5790490), (155, 4296170), (230, 2895245), (310, 2148085), (575, 1158098), (713, 933950), (775, 859234), (1150, 579049), (1426, 466975), (1550, 429617), (3565, 186790), (7130, 93395), (17825, 37358), (18679, 35650)]