39977210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 89413632

約数和(自身を除く): 49436422

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 197, 223, 394, 446, 455, 910, 985, 1115, 1379, 1561, 1970, 2230, 2561, 2758, 2899, 3122, 5122, 5798, 6895, 7805, 12805, 13790, 14495, 15610, 17927, 20293, 25610, 28990, 35854, 40586, 43931, 87862, 89635, 101465, 179270, 202930, 219655, 307517, 439310, 571103, 615034, 1142206, 1537585, 2855515, 3075170, 3997721, 5711030, 7995442, 19988605, 39977210]

約数ペア:

[(1, 39977210), (2, 19988605), (5, 7995442), (7, 5711030), (10, 3997721), (13, 3075170), (14, 2855515), (26, 1537585), (35, 1142206), (65, 615034), (70, 571103), (91, 439310), (130, 307517), (182, 219655), (197, 202930), (223, 179270), (394, 101465), (446, 89635), (455, 87862), (910, 43931), (985, 40586), (1115, 35854), (1379, 28990), (1561, 25610), (1970, 20293), (2230, 17927), (2561, 15610), (2758, 14495), (2899, 13790), (3122, 12805), (5122, 7805), (5798, 6895)]