352808720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21101}}^1$

素因数の和:21144

約数の個数: 80

約数和(自身を含む): 941993280

約数和(自身を除く): 589184560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 21101, 42202, 84404, 105505, 168808, 211010, 232111, 337616, 400919, 422020, 464222, 801838, 844040, 928444, 1160555, 1603676, 1688080, 1856888, 2004595, 2321110, 3207352, 3713776, 4009190, 4410109, 4642220, 6414704, 8018380, 8820218, 9284440, 16036760, 17640436, 18568880, 22050545, 32073520, 35280872, 44101090, 70561744, 88202180, 176404360, 352808720]

約数ペア:

[(1, 352808720), (2, 176404360), (4, 88202180), (5, 70561744), (8, 44101090), (10, 35280872), (11, 32073520), (16, 22050545), (19, 18568880), (20, 17640436), (22, 16036760), (38, 9284440), (40, 8820218), (44, 8018380), (55, 6414704), (76, 4642220), (80, 4410109), (88, 4009190), (95, 3713776), (110, 3207352), (152, 2321110), (176, 2004595), (190, 1856888), (209, 1688080), (220, 1603676), (304, 1160555), (380, 928444), (418, 844040), (440, 801838), (760, 464222), (836, 422020), (880, 400919), (1045, 337616), (1520, 232111), (1672, 211010), (2090, 168808), (3344, 105505), (4180, 84404), (8360, 42202), (16720, 21101)]