492705920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1646

約数の個数: 128

約数和(自身を含む): 1365984000

約数和(自身を除く): 873278080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 640, 710, 896, 994, 1120, 1136, 1420, 1549, 1988, 2240, 2272, 2485, 2840, 3098, 3976, 4480, 4544, 4970, 5680, 6196, 7745, 7952, 9088, 9940, 10843, 11360, 12392, 15490, 15904, 19880, 21686, 22720, 24784, 30980, 31808, 39760, 43372, 45440, 49568, 54215, 61960, 63616, 79520, 86744, 99136, 108430, 109979, 123920, 159040, 173488, 198272, 216860, 219958, 247840, 318080, 346976, 433720, 439916, 495680, 549895, 693952, 769853, 867440, 879832, 991360, 1099790, 1387904, 1539706, 1734880, 1759664, 2199580, 3079412, 3469760, 3519328, 3849265, 4399160, 6158824, 6939520, 7038656, 7698530, 8798320, 12317648, 14077312, 15397060, 17596640, 24635296, 30794120, 35193280, 49270592, 61588240, 70386560, 98541184, 123176480, 246352960, 492705920]

約数ペア:

[(1, 492705920), (2, 246352960), (4, 123176480), (5, 98541184), (7, 70386560), (8, 61588240), (10, 49270592), (14, 35193280), (16, 30794120), (20, 24635296), (28, 17596640), (32, 15397060), (35, 14077312), (40, 12317648), (56, 8798320), (64, 7698530), (70, 7038656), (71, 6939520), (80, 6158824), (112, 4399160), (128, 3849265), (140, 3519328), (142, 3469760), (160, 3079412), (224, 2199580), (280, 1759664), (284, 1734880), (320, 1539706), (355, 1387904), (448, 1099790), (497, 991360), (560, 879832), (568, 867440), (640, 769853), (710, 693952), (896, 549895), (994, 495680), (1120, 439916), (1136, 433720), (1420, 346976), (1549, 318080), (1988, 247840), (2240, 219958), (2272, 216860), (2485, 198272), (2840, 173488), (3098, 159040), (3976, 123920), (4480, 109979), (4544, 108430), (4970, 99136), (5680, 86744), (6196, 79520), (7745, 63616), (7952, 61960), (9088, 54215), (9940, 49568), (10843, 45440), (11360, 43372), (12392, 39760), (15490, 31808), (15904, 30980), (19880, 24784), (21686, 22720)]