290237920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:657

約数の個数: 192

約数和(自身を含む): 862202880

約数和(自身を除く): 571964960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 32, 35, 38, 40, 46, 56, 70, 76, 80, 92, 95, 112, 115, 133, 140, 152, 160, 161, 184, 190, 224, 230, 266, 280, 304, 322, 368, 380, 437, 460, 532, 560, 593, 608, 644, 665, 736, 760, 805, 874, 920, 1064, 1120, 1186, 1288, 1330, 1520, 1610, 1748, 1840, 2128, 2185, 2372, 2576, 2660, 2965, 3040, 3059, 3220, 3496, 3680, 4151, 4256, 4370, 4744, 5152, 5320, 5930, 6118, 6440, 6992, 8302, 8740, 9488, 10640, 11267, 11860, 12236, 12880, 13639, 13984, 15295, 16604, 17480, 18976, 20755, 21280, 22534, 23720, 24472, 25760, 27278, 30590, 33208, 34960, 41510, 45068, 47440, 48944, 54556, 56335, 61180, 66416, 68195, 69920, 78869, 83020, 90136, 94880, 95473, 97888, 109112, 112670, 122360, 132832, 136390, 157738, 166040, 180272, 190946, 218224, 225340, 244720, 259141, 272780, 315476, 332080, 360544, 381892, 394345, 436448, 450680, 477365, 489440, 518282, 545560, 630952, 664160, 763784, 788690, 901360, 954730, 1036564, 1091120, 1261904, 1295705, 1527568, 1577380, 1802720, 1813987, 1909460, 2073128, 2182240, 2523808, 2591410, 3055136, 3154760, 3627974, 3818920, 4146256, 5182820, 6309520, 7255948, 7637840, 8292512, 9069935, 10365640, 12619040, 14511896, 15275680, 18139870, 20731280, 29023792, 36279740, 41462560, 58047584, 72559480, 145118960, 290237920]

約数ペア:

[(1, 290237920), (2, 145118960), (4, 72559480), (5, 58047584), (7, 41462560), (8, 36279740), (10, 29023792), (14, 20731280), (16, 18139870), (19, 15275680), (20, 14511896), (23, 12619040), (28, 10365640), (32, 9069935), (35, 8292512), (38, 7637840), (40, 7255948), (46, 6309520), (56, 5182820), (70, 4146256), (76, 3818920), (80, 3627974), (92, 3154760), (95, 3055136), (112, 2591410), (115, 2523808), (133, 2182240), (140, 2073128), (152, 1909460), (160, 1813987), (161, 1802720), (184, 1577380), (190, 1527568), (224, 1295705), (230, 1261904), (266, 1091120), (280, 1036564), (304, 954730), (322, 901360), (368, 788690), (380, 763784), (437, 664160), (460, 630952), (532, 545560), (560, 518282), (593, 489440), (608, 477365), (644, 450680), (665, 436448), (736, 394345), (760, 381892), (805, 360544), (874, 332080), (920, 315476), (1064, 272780), (1120, 259141), (1186, 244720), (1288, 225340), (1330, 218224), (1520, 190946), (1610, 180272), (1748, 166040), (1840, 157738), (2128, 136390), (2185, 132832), (2372, 122360), (2576, 112670), (2660, 109112), (2965, 97888), (3040, 95473), (3059, 94880), (3220, 90136), (3496, 83020), (3680, 78869), (4151, 69920), (4256, 68195), (4370, 66416), (4744, 61180), (5152, 56335), (5320, 54556), (5930, 48944), (6118, 47440), (6440, 45068), (6992, 41510), (8302, 34960), (8740, 33208), (9488, 30590), (10640, 27278), (11267, 25760), (11860, 24472), (12236, 23720), (12880, 22534), (13639, 21280), (13984, 20755), (15295, 18976), (16604, 17480)]