1380492490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2819}}^1\times {\mathrm{3767}}^1$

素因数の和:6606

約数の個数: 32

約数和(自身を含む): 2677691520

約数和(自身を除く): 1297199030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2819, 3767, 5638, 7534, 14095, 18835, 28190, 36647, 37670, 48971, 73294, 97942, 183235, 244855, 366470, 489710, 10619173, 21238346, 53095865, 106191730, 138049249, 276098498, 690246245, 1380492490]

約数ペア:

[(1, 1380492490), (2, 690246245), (5, 276098498), (10, 138049249), (13, 106191730), (26, 53095865), (65, 21238346), (130, 10619173), (2819, 489710), (3767, 366470), (5638, 244855), (7534, 183235), (14095, 97942), (18835, 73294), (28190, 48971), (36647, 37670)]