1976474360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1181}}^1$

素因数の和:1381

約数の個数: 128

約数和(自身を含む): 5242406400

約数和(自身を除く): 3265932040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 139, 140, 172, 215, 278, 280, 301, 344, 430, 556, 602, 695, 860, 973, 1112, 1181, 1204, 1390, 1505, 1720, 1946, 2362, 2408, 2780, 3010, 3892, 4724, 4865, 5560, 5905, 5977, 6020, 7784, 8267, 9448, 9730, 11810, 11954, 12040, 16534, 19460, 23620, 23908, 29885, 33068, 38920, 41335, 41839, 47240, 47816, 50783, 59770, 66136, 82670, 83678, 101566, 119540, 164159, 165340, 167356, 203132, 209195, 239080, 253915, 328318, 330680, 334712, 355481, 406264, 418390, 507830, 656636, 710962, 820795, 836780, 1015660, 1149113, 1313272, 1421924, 1641590, 1673560, 1777405, 2031320, 2298226, 2843848, 3283180, 3554810, 4596452, 5745565, 6566360, 7058837, 7109620, 9192904, 11491130, 14117674, 14219240, 22982260, 28235348, 35294185, 45964520, 49411859, 56470696, 70588370, 98823718, 141176740, 197647436, 247059295, 282353480, 395294872, 494118590, 988237180, 1976474360]

約数ペア:

[(1, 1976474360), (2, 988237180), (4, 494118590), (5, 395294872), (7, 282353480), (8, 247059295), (10, 197647436), (14, 141176740), (20, 98823718), (28, 70588370), (35, 56470696), (40, 49411859), (43, 45964520), (56, 35294185), (70, 28235348), (86, 22982260), (139, 14219240), (140, 14117674), (172, 11491130), (215, 9192904), (278, 7109620), (280, 7058837), (301, 6566360), (344, 5745565), (430, 4596452), (556, 3554810), (602, 3283180), (695, 2843848), (860, 2298226), (973, 2031320), (1112, 1777405), (1181, 1673560), (1204, 1641590), (1390, 1421924), (1505, 1313272), (1720, 1149113), (1946, 1015660), (2362, 836780), (2408, 820795), (2780, 710962), (3010, 656636), (3892, 507830), (4724, 418390), (4865, 406264), (5560, 355481), (5905, 334712), (5977, 330680), (6020, 328318), (7784, 253915), (8267, 239080), (9448, 209195), (9730, 203132), (11810, 167356), (11954, 165340), (12040, 164159), (16534, 119540), (19460, 101566), (23620, 83678), (23908, 82670), (29885, 66136), (33068, 59770), (38920, 50783), (41335, 47816), (41839, 47240)]