202457990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{99733}}^1$

素因数の和:99776

約数の個数: 32

約数和(自身を含む): 430850880

約数和(自身を除く): 228392890

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 99733, 199466, 498665, 698131, 997330, 1396262, 2892257, 3490655, 5784514, 6981310, 14461285, 20245799, 28922570, 40491598, 101228995, 202457990]

約数ペア:

[(1, 202457990), (2, 101228995), (5, 40491598), (7, 28922570), (10, 20245799), (14, 14461285), (29, 6981310), (35, 5784514), (58, 3490655), (70, 2892257), (145, 1396262), (203, 997330), (290, 698131), (406, 498665), (1015, 199466), (2030, 99733)]