199933160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 531878400

約数和(自身を除く): 331945240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 89, 113, 140, 142, 178, 226, 280, 284, 355, 356, 445, 452, 497, 565, 568, 623, 710, 712, 791, 890, 904, 994, 1130, 1246, 1420, 1582, 1780, 1988, 2260, 2485, 2492, 2840, 3115, 3164, 3560, 3955, 3976, 4520, 4970, 4984, 6230, 6319, 6328, 7910, 8023, 9940, 10057, 12460, 12638, 15820, 16046, 19880, 20114, 24920, 25276, 31595, 31640, 32092, 40115, 40228, 44233, 50285, 50552, 56161, 63190, 64184, 70399, 80230, 80456, 88466, 100570, 112322, 126380, 140798, 160460, 176932, 201140, 221165, 224644, 252760, 280805, 281596, 320920, 351995, 353864, 402280, 442330, 449288, 561610, 563192, 703990, 714047, 884660, 1123220, 1407980, 1428094, 1769320, 2246440, 2815960, 2856188, 3570235, 4998329, 5712376, 7140470, 9996658, 14280940, 19993316, 24991645, 28561880, 39986632, 49983290, 99966580, 199933160]

約数ペア:

[(1, 199933160), (2, 99966580), (4, 49983290), (5, 39986632), (7, 28561880), (8, 24991645), (10, 19993316), (14, 14280940), (20, 9996658), (28, 7140470), (35, 5712376), (40, 4998329), (56, 3570235), (70, 2856188), (71, 2815960), (89, 2246440), (113, 1769320), (140, 1428094), (142, 1407980), (178, 1123220), (226, 884660), (280, 714047), (284, 703990), (355, 563192), (356, 561610), (445, 449288), (452, 442330), (497, 402280), (565, 353864), (568, 351995), (623, 320920), (710, 281596), (712, 280805), (791, 252760), (890, 224644), (904, 221165), (994, 201140), (1130, 176932), (1246, 160460), (1420, 140798), (1582, 126380), (1780, 112322), (1988, 100570), (2260, 88466), (2485, 80456), (2492, 80230), (2840, 70399), (3115, 64184), (3164, 63190), (3560, 56161), (3955, 50552), (3976, 50285), (4520, 44233), (4970, 40228), (4984, 40115), (6230, 32092), (6319, 31640), (6328, 31595), (7910, 25276), (8023, 24920), (9940, 20114), (10057, 19880), (12460, 16046), (12638, 15820)]