1377772220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{272287}}^1$

素因数の和:272330

約数の個数: 48

約数和(自身を含む): 3293595648

約数和(自身を除く): 1915823428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 272287, 544574, 1089148, 1361435, 2722870, 2995157, 5445740, 5990314, 6262601, 11980628, 12525202, 14975785, 25050404, 29951570, 31313005, 59903140, 62626010, 68888611, 125252020, 137777222, 275554444, 344443055, 688886110, 1377772220]

約数ペア:

[(1, 1377772220), (2, 688886110), (4, 344443055), (5, 275554444), (10, 137777222), (11, 125252020), (20, 68888611), (22, 62626010), (23, 59903140), (44, 31313005), (46, 29951570), (55, 25050404), (92, 14975785), (110, 12525202), (115, 11980628), (220, 6262601), (230, 5990314), (253, 5445740), (460, 2995157), (506, 2722870), (1012, 1361435), (1265, 1089148), (2530, 544574), (5060, 272287)]