201701720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1049}}^1$

素因数の和:1113

約数の個数: 128

約数和(自身を含む): 544320000

約数和(自身を除く): 342618280

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 23, 38, 40, 44, 46, 55, 76, 88, 92, 95, 110, 115, 152, 184, 190, 209, 220, 230, 253, 380, 418, 437, 440, 460, 506, 760, 836, 874, 920, 1012, 1045, 1049, 1265, 1672, 1748, 2024, 2090, 2098, 2185, 2530, 3496, 4180, 4196, 4370, 4807, 5060, 5245, 8360, 8392, 8740, 9614, 10120, 10490, 11539, 17480, 19228, 19931, 20980, 23078, 24035, 24127, 38456, 39862, 41960, 46156, 48070, 48254, 57695, 79724, 92312, 96140, 96508, 99655, 115390, 120635, 159448, 192280, 193016, 199310, 219241, 230780, 241270, 265397, 398620, 438482, 458413, 461560, 482540, 530794, 797240, 876964, 916826, 965080, 1061588, 1096205, 1326985, 1753928, 1833652, 2123176, 2192410, 2292065, 2653970, 3667304, 4384820, 4584130, 5042543, 5307940, 8769640, 9168260, 10085086, 10615880, 18336520, 20170172, 25212715, 40340344, 50425430, 100850860, 201701720]

約数ペア:

[(1, 201701720), (2, 100850860), (4, 50425430), (5, 40340344), (8, 25212715), (10, 20170172), (11, 18336520), (19, 10615880), (20, 10085086), (22, 9168260), (23, 8769640), (38, 5307940), (40, 5042543), (44, 4584130), (46, 4384820), (55, 3667304), (76, 2653970), (88, 2292065), (92, 2192410), (95, 2123176), (110, 1833652), (115, 1753928), (152, 1326985), (184, 1096205), (190, 1061588), (209, 965080), (220, 916826), (230, 876964), (253, 797240), (380, 530794), (418, 482540), (437, 461560), (440, 458413), (460, 438482), (506, 398620), (760, 265397), (836, 241270), (874, 230780), (920, 219241), (1012, 199310), (1045, 193016), (1049, 192280), (1265, 159448), (1672, 120635), (1748, 115390), (2024, 99655), (2090, 96508), (2098, 96140), (2185, 92312), (2530, 79724), (3496, 57695), (4180, 48254), (4196, 48070), (4370, 46156), (4807, 41960), (5060, 39862), (5245, 38456), (8360, 24127), (8392, 24035), (8740, 23078), (9614, 20980), (10120, 19931), (10490, 19228), (11539, 17480)]