124292020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{653}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 270724608

約数和(自身を除く): 146432588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 307, 310, 614, 620, 653, 1228, 1306, 1535, 2612, 3070, 3265, 6140, 6530, 9517, 13060, 19034, 20243, 38068, 40486, 47585, 80972, 95170, 101215, 190340, 200471, 202430, 400942, 404860, 801884, 1002355, 2004710, 4009420, 6214601, 12429202, 24858404, 31073005, 62146010, 124292020]

約数ペア:

[(1, 124292020), (2, 62146010), (4, 31073005), (5, 24858404), (10, 12429202), (20, 6214601), (31, 4009420), (62, 2004710), (124, 1002355), (155, 801884), (307, 404860), (310, 400942), (614, 202430), (620, 200471), (653, 190340), (1228, 101215), (1306, 95170), (1535, 80972), (2612, 47585), (3070, 40486), (3265, 38068), (6140, 20243), (6530, 19034), (9517, 13060)]