8892580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 19592496

約数和(自身を除く): 10699916

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 197, 244, 305, 370, 394, 610, 740, 788, 985, 1220, 1970, 2257, 3940, 4514, 7289, 9028, 11285, 12017, 14578, 22570, 24034, 29156, 36445, 45140, 48068, 60085, 72890, 120170, 145780, 240340, 444629, 889258, 1778516, 2223145, 4446290, 8892580]

約数ペア:

[(1, 8892580), (2, 4446290), (4, 2223145), (5, 1778516), (10, 889258), (20, 444629), (37, 240340), (61, 145780), (74, 120170), (122, 72890), (148, 60085), (185, 48068), (197, 45140), (244, 36445), (305, 29156), (370, 24034), (394, 22570), (610, 14578), (740, 12017), (788, 11285), (985, 9028), (1220, 7289), (1970, 4514), (2257, 3940)]