1390752880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:639

約数の個数: 160

約数和(自身を含む): 3739760640

約数和(自身を除く): 2349007760

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, 223, 304, 373, 380, 418, 440, 446, 746, 760, 836, 880, 892, 1045, 1115, 1492, 1520, 1672, 1784, 1865, 2090, 2230, 2453, 2984, 3344, 3568, 3730, 4103, 4180, 4237, 4460, 4906, 5968, 7087, 7460, 8206, 8360, 8474, 8920, 9812, 12265, 14174, 14920, 16412, 16720, 16948, 17840, 19624, 20515, 21185, 24530, 28348, 29840, 32824, 33896, 35435, 39248, 41030, 42370, 46607, 49060, 56696, 65648, 67792, 70870, 77957, 82060, 83179, 84740, 93214, 98120, 113392, 141740, 155914, 164120, 166358, 169480, 186428, 196240, 233035, 283480, 311828, 328240, 332716, 338960, 372856, 389785, 415895, 466070, 566960, 623656, 665432, 745712, 779570, 831790, 914969, 932140, 1247312, 1330864, 1559140, 1580401, 1663580, 1829938, 1864280, 3118280, 3160802, 3327160, 3659876, 3728560, 4574845, 6236560, 6321604, 6654320, 7319752, 7902005, 9149690, 12643208, 14639504, 15804010, 17384411, 18299380, 25286416, 31608020, 34768822, 36598760, 63216040, 69537644, 73197520, 86922055, 126432080, 139075288, 173844110, 278150576, 347688220, 695376440, 1390752880]

約数ペア:

[(1, 1390752880), (2, 695376440), (4, 347688220), (5, 278150576), (8, 173844110), (10, 139075288), (11, 126432080), (16, 86922055), (19, 73197520), (20, 69537644), (22, 63216040), (38, 36598760), (40, 34768822), (44, 31608020), (55, 25286416), (76, 18299380), (80, 17384411), (88, 15804010), (95, 14639504), (110, 12643208), (152, 9149690), (176, 7902005), (190, 7319752), (209, 6654320), (220, 6321604), (223, 6236560), (304, 4574845), (373, 3728560), (380, 3659876), (418, 3327160), (440, 3160802), (446, 3118280), (746, 1864280), (760, 1829938), (836, 1663580), (880, 1580401), (892, 1559140), (1045, 1330864), (1115, 1247312), (1492, 932140), (1520, 914969), (1672, 831790), (1784, 779570), (1865, 745712), (2090, 665432), (2230, 623656), (2453, 566960), (2984, 466070), (3344, 415895), (3568, 389785), (3730, 372856), (4103, 338960), (4180, 332716), (4237, 328240), (4460, 311828), (4906, 283480), (5968, 233035), (7087, 196240), (7460, 186428), (8206, 169480), (8360, 166358), (8474, 164120), (8920, 155914), (9812, 141740), (12265, 113392), (14174, 98120), (14920, 93214), (16412, 84740), (16720, 83179), (16948, 82060), (17840, 77957), (19624, 70870), (20515, 67792), (21185, 65648), (24530, 56696), (28348, 49060), (29840, 46607), (32824, 42370), (33896, 41030), (35435, 39248)]