1644894220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{67}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 3924829440

約数和(自身を除く): 2279935220

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 53, 67, 76, 92, 95, 106, 115, 134, 190, 212, 230, 265, 268, 335, 380, 437, 460, 530, 670, 874, 1007, 1060, 1219, 1273, 1340, 1541, 1748, 2014, 2185, 2438, 2546, 2809, 3082, 3551, 4028, 4370, 4876, 5035, 5092, 5618, 6095, 6164, 6365, 7102, 7705, 8740, 10070, 11236, 12190, 12730, 14045, 14204, 15410, 17755, 20140, 23161, 24380, 25460, 28090, 29279, 30820, 35510, 46322, 53371, 56180, 58558, 64607, 67469, 71020, 81673, 92644, 106742, 115805, 117116, 129214, 134938, 146395, 163346, 188203, 213484, 231610, 258428, 266855, 269876, 292790, 323035, 326692, 337345, 376406, 408365, 463220, 533710, 585580, 646070, 674690, 752812, 816730, 941015, 1067420, 1227533, 1292140, 1349380, 1551787, 1633460, 1882030, 2455066, 3103574, 3575857, 3764060, 4328669, 4910132, 6137665, 6207148, 7151714, 7758935, 8657338, 12275330, 14303428, 15517870, 17314676, 17879285, 21643345, 24550660, 31035740, 35758570, 43286690, 71517140, 82244711, 86573380, 164489422, 328978844, 411223555, 822447110, 1644894220]

約数ペア:

[(1, 1644894220), (2, 822447110), (4, 411223555), (5, 328978844), (10, 164489422), (19, 86573380), (20, 82244711), (23, 71517140), (38, 43286690), (46, 35758570), (53, 31035740), (67, 24550660), (76, 21643345), (92, 17879285), (95, 17314676), (106, 15517870), (115, 14303428), (134, 12275330), (190, 8657338), (212, 7758935), (230, 7151714), (265, 6207148), (268, 6137665), (335, 4910132), (380, 4328669), (437, 3764060), (460, 3575857), (530, 3103574), (670, 2455066), (874, 1882030), (1007, 1633460), (1060, 1551787), (1219, 1349380), (1273, 1292140), (1340, 1227533), (1541, 1067420), (1748, 941015), (2014, 816730), (2185, 752812), (2438, 674690), (2546, 646070), (2809, 585580), (3082, 533710), (3551, 463220), (4028, 408365), (4370, 376406), (4876, 337345), (5035, 326692), (5092, 323035), (5618, 292790), (6095, 269876), (6164, 266855), (6365, 258428), (7102, 231610), (7705, 213484), (8740, 188203), (10070, 163346), (11236, 146395), (12190, 134938), (12730, 129214), (14045, 117116), (14204, 115805), (15410, 106742), (17755, 92644), (20140, 81673), (23161, 71020), (24380, 67469), (25460, 64607), (28090, 58558), (29279, 56180), (30820, 53371), (35510, 46322)]