678453990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{318523}}^1$

素因数の和:318604

約数の個数: 32

約数和(自身を含む): 1651228416

約数和(自身を除く): 972774426

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 318523, 637046, 955569, 1592615, 1911138, 3185230, 4777845, 9555690, 22615133, 45230266, 67845399, 113075665, 135690798, 226151330, 339226995, 678453990]

約数ペア:

[(1, 678453990), (2, 339226995), (3, 226151330), (5, 135690798), (6, 113075665), (10, 67845399), (15, 45230266), (30, 22615133), (71, 9555690), (142, 4777845), (213, 3185230), (355, 1911138), (426, 1592615), (710, 955569), (1065, 637046), (2130, 318523)]