30405620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2239}}^1$

素因数の和:2352

約数の個数: 48

約数和(自身を含む): 73758720

約数和(自身を除く): 43353100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2239, 2716, 3395, 4478, 6790, 8956, 11195, 13580, 15673, 22390, 31346, 44780, 62692, 78365, 156730, 217183, 313460, 434366, 868732, 1085915, 1520281, 2171830, 3040562, 4343660, 6081124, 7601405, 15202810, 30405620]

約数ペア:

[(1, 30405620), (2, 15202810), (4, 7601405), (5, 6081124), (7, 4343660), (10, 3040562), (14, 2171830), (20, 1520281), (28, 1085915), (35, 868732), (70, 434366), (97, 313460), (140, 217183), (194, 156730), (388, 78365), (485, 62692), (679, 44780), (970, 31346), (1358, 22390), (1940, 15673), (2239, 13580), (2716, 11195), (3395, 8956), (4478, 6790)]