84221620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 211438080

約数和(自身を除く): 127216460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 71, 74, 140, 142, 148, 185, 229, 259, 284, 355, 370, 458, 497, 518, 710, 740, 916, 994, 1036, 1145, 1295, 1420, 1603, 1988, 2290, 2485, 2590, 2627, 3206, 4580, 4970, 5180, 5254, 6412, 8015, 8473, 9940, 10508, 13135, 16030, 16259, 16946, 18389, 26270, 32060, 32518, 33892, 36778, 42365, 52540, 59311, 65036, 73556, 81295, 84730, 91945, 113813, 118622, 162590, 169460, 183890, 227626, 237244, 296555, 325180, 367780, 455252, 569065, 593110, 601583, 1138130, 1186220, 1203166, 2276260, 2406332, 3007915, 4211081, 6015830, 8422162, 12031660, 16844324, 21055405, 42110810, 84221620]

約数ペア:

[(1, 84221620), (2, 42110810), (4, 21055405), (5, 16844324), (7, 12031660), (10, 8422162), (14, 6015830), (20, 4211081), (28, 3007915), (35, 2406332), (37, 2276260), (70, 1203166), (71, 1186220), (74, 1138130), (140, 601583), (142, 593110), (148, 569065), (185, 455252), (229, 367780), (259, 325180), (284, 296555), (355, 237244), (370, 227626), (458, 183890), (497, 169460), (518, 162590), (710, 118622), (740, 113813), (916, 91945), (994, 84730), (1036, 81295), (1145, 73556), (1295, 65036), (1420, 59311), (1603, 52540), (1988, 42365), (2290, 36778), (2485, 33892), (2590, 32518), (2627, 32060), (3206, 26270), (4580, 18389), (4970, 16946), (5180, 16259), (5254, 16030), (6412, 13135), (8015, 10508), (8473, 9940)]