1397175040

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 3481994880

約数和(自身を除く): 2084819840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 79, 80, 82, 128, 158, 160, 164, 205, 256, 316, 320, 328, 337, 395, 410, 632, 640, 656, 674, 790, 820, 1264, 1280, 1312, 1348, 1580, 1640, 1685, 2528, 2624, 2696, 3160, 3239, 3280, 3370, 5056, 5248, 5392, 6320, 6478, 6560, 6740, 10112, 10496, 10784, 12640, 12956, 13120, 13480, 13817, 16195, 20224, 21568, 25280, 25912, 26240, 26623, 26960, 27634, 32390, 43136, 50560, 51824, 52480, 53246, 53920, 55268, 64780, 69085, 86272, 101120, 103648, 106492, 107840, 110536, 129560, 133115, 138170, 207296, 212984, 215680, 221072, 259120, 266230, 276340, 414592, 425968, 431360, 442144, 518240, 532460, 552680, 829184, 851936, 884288, 1036480, 1064920, 1091543, 1105360, 1703872, 1768576, 2072960, 2129840, 2183086, 2210720, 3407744, 3537152, 4145920, 4259680, 4366172, 4421440, 5457715, 6815488, 8519360, 8732344, 8842880, 10915430, 17038720, 17464688, 17685760, 21830860, 34077440, 34929376, 43661720, 69858752, 87323440, 139717504, 174646880, 279435008, 349293760, 698587520, 1397175040]

約数ペア:

[(1, 1397175040), (2, 698587520), (4, 349293760), (5, 279435008), (8, 174646880), (10, 139717504), (16, 87323440), (20, 69858752), (32, 43661720), (40, 34929376), (41, 34077440), (64, 21830860), (79, 17685760), (80, 17464688), (82, 17038720), (128, 10915430), (158, 8842880), (160, 8732344), (164, 8519360), (205, 6815488), (256, 5457715), (316, 4421440), (320, 4366172), (328, 4259680), (337, 4145920), (395, 3537152), (410, 3407744), (632, 2210720), (640, 2183086), (656, 2129840), (674, 2072960), (790, 1768576), (820, 1703872), (1264, 1105360), (1280, 1091543), (1312, 1064920), (1348, 1036480), (1580, 884288), (1640, 851936), (1685, 829184), (2528, 552680), (2624, 532460), (2696, 518240), (3160, 442144), (3239, 431360), (3280, 425968), (3370, 414592), (5056, 276340), (5248, 266230), (5392, 259120), (6320, 221072), (6478, 215680), (6560, 212984), (6740, 207296), (10112, 138170), (10496, 133115), (10784, 129560), (12640, 110536), (12956, 107840), (13120, 106492), (13480, 103648), (13817, 101120), (16195, 86272), (20224, 69085), (21568, 64780), (25280, 55268), (25912, 53920), (26240, 53246), (26623, 52480), (26960, 51824), (27634, 50560), (32390, 43136)]