17178980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9439}}^1$

素因数の和:9468

約数の個数: 48

約数和(自身を含む): 44405760

約数和(自身を除く): 27226780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 9439, 18878, 37756, 47195, 66073, 94390, 122707, 132146, 188780, 245414, 264292, 330365, 490828, 613535, 660730, 858949, 1227070, 1321460, 1717898, 2454140, 3435796, 4294745, 8589490, 17178980]

約数ペア:

[(1, 17178980), (2, 8589490), (4, 4294745), (5, 3435796), (7, 2454140), (10, 1717898), (13, 1321460), (14, 1227070), (20, 858949), (26, 660730), (28, 613535), (35, 490828), (52, 330365), (65, 264292), (70, 245414), (91, 188780), (130, 132146), (140, 122707), (182, 94390), (260, 66073), (364, 47195), (455, 37756), (910, 18878), (1820, 9439)]