71365220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 153679680

約数和(自身を除く): 82314460

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 197, 236, 295, 307, 394, 590, 614, 788, 985, 1180, 1228, 1535, 1970, 3070, 3940, 6140, 11623, 18113, 23246, 36226, 46492, 58115, 60479, 72452, 90565, 116230, 120958, 181130, 232460, 241916, 302395, 362260, 604790, 1209580, 3568261, 7136522, 14273044, 17841305, 35682610, 71365220]

約数ペア:

[(1, 71365220), (2, 35682610), (4, 17841305), (5, 14273044), (10, 7136522), (20, 3568261), (59, 1209580), (118, 604790), (197, 362260), (236, 302395), (295, 241916), (307, 232460), (394, 181130), (590, 120958), (614, 116230), (788, 90565), (985, 72452), (1180, 60479), (1228, 58115), (1535, 46492), (1970, 36226), (3070, 23246), (3940, 18113), (6140, 11623)]