223997840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13397}}^1$

素因数の和:13440

約数の個数: 80

約数和(自身を含む): 598086720

約数和(自身を除く): 374088880

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, 13397, 16720, 26794, 53588, 66985, 107176, 133970, 147367, 214352, 254543, 267940, 294734, 509086, 535880, 589468, 736835, 1018172, 1071760, 1178936, 1272715, 1473670, 2036344, 2357872, 2545430, 2799973, 2947340, 4072688, 5090860, 5599946, 5894680, 10181720, 11199892, 11789360, 13999865, 20363440, 22399784, 27999730, 44799568, 55999460, 111998920, 223997840]

約数ペア:

[(1, 223997840), (2, 111998920), (4, 55999460), (5, 44799568), (8, 27999730), (10, 22399784), (11, 20363440), (16, 13999865), (19, 11789360), (20, 11199892), (22, 10181720), (38, 5894680), (40, 5599946), (44, 5090860), (55, 4072688), (76, 2947340), (80, 2799973), (88, 2545430), (95, 2357872), (110, 2036344), (152, 1473670), (176, 1272715), (190, 1178936), (209, 1071760), (220, 1018172), (304, 736835), (380, 589468), (418, 535880), (440, 509086), (760, 294734), (836, 267940), (880, 254543), (1045, 214352), (1520, 147367), (1672, 133970), (2090, 107176), (3344, 66985), (4180, 53588), (8360, 26794), (13397, 16720)]