205841360

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 495410256

約数和(自身を除く): 289568896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 197, 296, 353, 370, 394, 592, 706, 740, 788, 985, 1412, 1480, 1576, 1765, 1970, 2824, 2960, 3152, 3530, 3940, 5648, 7060, 7289, 7880, 13061, 14120, 14578, 15760, 26122, 28240, 29156, 36445, 52244, 58312, 65305, 69541, 72890, 104488, 116624, 130610, 139082, 145780, 208976, 261220, 278164, 291560, 347705, 522440, 556328, 583120, 695410, 1044880, 1112656, 1390820, 2573017, 2781640, 5146034, 5563280, 10292068, 12865085, 20584136, 25730170, 41168272, 51460340, 102920680, 205841360]

約数ペア:

[(1, 205841360), (2, 102920680), (4, 51460340), (5, 41168272), (8, 25730170), (10, 20584136), (16, 12865085), (20, 10292068), (37, 5563280), (40, 5146034), (74, 2781640), (80, 2573017), (148, 1390820), (185, 1112656), (197, 1044880), (296, 695410), (353, 583120), (370, 556328), (394, 522440), (592, 347705), (706, 291560), (740, 278164), (788, 261220), (985, 208976), (1412, 145780), (1480, 139082), (1576, 130610), (1765, 116624), (1970, 104488), (2824, 72890), (2960, 69541), (3152, 65305), (3530, 58312), (3940, 52244), (5648, 36445), (7060, 29156), (7289, 28240), (7880, 26122), (13061, 15760), (14120, 14578)]