389488960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 224

約数和(自身を含む): 1123614720

約数和(自身を除く): 734125760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 71, 79, 80, 112, 124, 140, 142, 155, 158, 160, 217, 224, 248, 280, 284, 310, 316, 320, 355, 395, 434, 448, 496, 497, 553, 560, 568, 620, 632, 710, 790, 868, 992, 994, 1085, 1106, 1120, 1136, 1240, 1264, 1420, 1580, 1736, 1984, 1988, 2170, 2201, 2212, 2240, 2272, 2449, 2480, 2485, 2528, 2765, 2840, 3160, 3472, 3976, 4340, 4402, 4424, 4544, 4898, 4960, 4970, 5056, 5530, 5609, 5680, 6320, 6944, 7952, 8680, 8804, 8848, 9796, 9920, 9940, 11005, 11060, 11218, 11360, 12245, 12640, 13888, 15407, 15904, 17143, 17360, 17608, 17696, 19592, 19880, 22010, 22120, 22436, 22720, 24490, 25280, 28045, 30814, 31808, 34286, 34720, 35216, 35392, 39184, 39263, 39760, 44020, 44240, 44872, 48980, 56090, 61628, 68572, 69440, 70432, 77035, 78368, 78526, 79520, 85715, 88040, 88480, 89744, 97960, 112180, 123256, 137144, 140864, 154070, 156736, 157052, 159040, 171430, 173879, 176080, 176960, 179488, 195920, 196315, 224360, 246512, 274288, 308140, 314104, 342860, 347758, 352160, 358976, 391840, 392630, 448720, 493024, 548576, 616280, 628208, 685720, 695516, 704320, 783680, 785260, 869395, 897440, 986048, 1097152, 1217153, 1232560, 1256416, 1371440, 1391032, 1570520, 1738790, 1794880, 2434306, 2465120, 2512832, 2742880, 2782064, 3141040, 3477580, 4868612, 4930240, 5485760, 5564128, 6085765, 6282080, 6955160, 9737224, 11128256, 12171530, 12564160, 13910320, 19474448, 24343060, 27820640, 38948896, 48686120, 55641280, 77897792, 97372240, 194744480, 389488960]

約数ペア:

[(1, 389488960), (2, 194744480), (4, 97372240), (5, 77897792), (7, 55641280), (8, 48686120), (10, 38948896), (14, 27820640), (16, 24343060), (20, 19474448), (28, 13910320), (31, 12564160), (32, 12171530), (35, 11128256), (40, 9737224), (56, 6955160), (62, 6282080), (64, 6085765), (70, 5564128), (71, 5485760), (79, 4930240), (80, 4868612), (112, 3477580), (124, 3141040), (140, 2782064), (142, 2742880), (155, 2512832), (158, 2465120), (160, 2434306), (217, 1794880), (224, 1738790), (248, 1570520), (280, 1391032), (284, 1371440), (310, 1256416), (316, 1232560), (320, 1217153), (355, 1097152), (395, 986048), (434, 897440), (448, 869395), (496, 785260), (497, 783680), (553, 704320), (560, 695516), (568, 685720), (620, 628208), (632, 616280), (710, 548576), (790, 493024), (868, 448720), (992, 392630), (994, 391840), (1085, 358976), (1106, 352160), (1120, 347758), (1136, 342860), (1240, 314104), (1264, 308140), (1420, 274288), (1580, 246512), (1736, 224360), (1984, 196315), (1988, 195920), (2170, 179488), (2201, 176960), (2212, 176080), (2240, 173879), (2272, 171430), (2449, 159040), (2480, 157052), (2485, 156736), (2528, 154070), (2765, 140864), (2840, 137144), (3160, 123256), (3472, 112180), (3976, 97960), (4340, 89744), (4402, 88480), (4424, 88040), (4544, 85715), (4898, 79520), (4960, 78526), (4970, 78368), (5056, 77035), (5530, 70432), (5609, 69440), (5680, 68572), (6320, 61628), (6944, 56090), (7952, 48980), (8680, 44872), (8804, 44240), (8848, 44020), (9796, 39760), (9920, 39263), (9940, 39184), (11005, 35392), (11060, 35216), (11218, 34720), (11360, 34286), (12245, 31808), (12640, 30814), (13888, 28045), (15407, 25280), (15904, 24490), (17143, 22720), (17360, 22436), (17608, 22120), (17696, 22010), (19592, 19880)]