142211720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^2\times {\mathrm{53}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 389767140

約数和(自身を除く): 247555420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 53, 56, 70, 74, 98, 106, 140, 148, 185, 196, 212, 245, 259, 265, 280, 296, 370, 371, 392, 424, 490, 518, 530, 740, 742, 980, 1036, 1060, 1295, 1369, 1480, 1484, 1813, 1855, 1960, 1961, 2072, 2120, 2590, 2597, 2738, 2968, 3626, 3710, 3922, 5180, 5194, 5476, 6845, 7252, 7420, 7844, 9065, 9583, 9805, 10360, 10388, 10952, 12985, 13690, 13727, 14504, 14840, 15688, 18130, 19166, 19610, 20776, 25970, 27380, 27454, 36260, 38332, 39220, 47915, 51940, 54760, 54908, 67081, 68635, 72520, 72557, 76664, 78440, 95830, 96089, 103880, 109816, 134162, 137270, 145114, 191660, 192178, 268324, 274540, 290228, 335405, 362785, 383320, 384356, 480445, 507899, 536648, 549080, 580456, 670810, 725570, 768712, 960890, 1015798, 1341620, 1451140, 1921780, 2031596, 2539495, 2683240, 2902280, 3555293, 3843560, 4063192, 5078990, 7110586, 10157980, 14221172, 17776465, 20315960, 28442344, 35552930, 71105860, 142211720]

約数ペア:

[(1, 142211720), (2, 71105860), (4, 35552930), (5, 28442344), (7, 20315960), (8, 17776465), (10, 14221172), (14, 10157980), (20, 7110586), (28, 5078990), (35, 4063192), (37, 3843560), (40, 3555293), (49, 2902280), (53, 2683240), (56, 2539495), (70, 2031596), (74, 1921780), (98, 1451140), (106, 1341620), (140, 1015798), (148, 960890), (185, 768712), (196, 725570), (212, 670810), (245, 580456), (259, 549080), (265, 536648), (280, 507899), (296, 480445), (370, 384356), (371, 383320), (392, 362785), (424, 335405), (490, 290228), (518, 274540), (530, 268324), (740, 192178), (742, 191660), (980, 145114), (1036, 137270), (1060, 134162), (1295, 109816), (1369, 103880), (1480, 96089), (1484, 95830), (1813, 78440), (1855, 76664), (1960, 72557), (1961, 72520), (2072, 68635), (2120, 67081), (2590, 54908), (2597, 54760), (2738, 51940), (2968, 47915), (3626, 39220), (3710, 38332), (3922, 36260), (5180, 27454), (5194, 27380), (5476, 25970), (6845, 20776), (7252, 19610), (7420, 19166), (7844, 18130), (9065, 15688), (9583, 14840), (9805, 14504), (10360, 13727), (10388, 13690), (10952, 12985)]