1408683650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1289}}^1\times {\mathrm{1987}}^1$

素因数の和:3299

約数の個数: 48

約数和(自身を含む): 2862004320

約数和(自身を除く): 1453320670

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 1289, 1987, 2578, 3974, 6445, 9935, 12890, 14179, 19870, 21857, 28358, 32225, 43714, 49675, 64450, 70895, 99350, 109285, 141790, 218570, 354475, 546425, 708950, 1092850, 2561243, 5122486, 12806215, 25612430, 28173673, 56347346, 64031075, 128062150, 140868365, 281736730, 704341825, 1408683650]

約数ペア:

[(1, 1408683650), (2, 704341825), (5, 281736730), (10, 140868365), (11, 128062150), (22, 64031075), (25, 56347346), (50, 28173673), (55, 25612430), (110, 12806215), (275, 5122486), (550, 2561243), (1289, 1092850), (1987, 708950), (2578, 546425), (3974, 354475), (6445, 218570), (9935, 141790), (12890, 109285), (14179, 99350), (19870, 70895), (21857, 64450), (28358, 49675), (32225, 43714)]