319610620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73643}}^1$

素因数の和:73690

約数の個数: 48

約数和(自身を含む): 791820288

約数和(自身を除く): 472209668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 73643, 147286, 294572, 368215, 515501, 736430, 1031002, 1472860, 2062004, 2282933, 2577505, 4565866, 5155010, 9131732, 10310020, 11414665, 15980531, 22829330, 31961062, 45658660, 63922124, 79902655, 159805310, 319610620]

約数ペア:

[(1, 319610620), (2, 159805310), (4, 79902655), (5, 63922124), (7, 45658660), (10, 31961062), (14, 22829330), (20, 15980531), (28, 11414665), (31, 10310020), (35, 9131732), (62, 5155010), (70, 4565866), (124, 2577505), (140, 2282933), (155, 2062004), (217, 1472860), (310, 1031002), (434, 736430), (620, 515501), (868, 368215), (1085, 294572), (2170, 147286), (4340, 73643)]