312344620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^2\times {\mathrm{71}}^1$

素因数の和:228

約数の個数: 108

約数和(自身を含む): 785480976

約数和(自身を除く): 473136356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 71, 98, 134, 140, 142, 196, 245, 268, 284, 335, 355, 469, 490, 497, 670, 710, 938, 980, 994, 1340, 1420, 1876, 1988, 2345, 2485, 3283, 3479, 4489, 4690, 4757, 4970, 6566, 6958, 8978, 9380, 9514, 9940, 13132, 13916, 16415, 17395, 17956, 19028, 22445, 23785, 31423, 32830, 33299, 34790, 44890, 47570, 62846, 65660, 66598, 69580, 89780, 95140, 125692, 133196, 157115, 166495, 219961, 233093, 314230, 318719, 332990, 439922, 466186, 628460, 637438, 665980, 879844, 932372, 1099805, 1165465, 1274876, 1593595, 2199610, 2231033, 2330930, 3187190, 4399220, 4462066, 4661860, 6374380, 8924132, 11155165, 15617231, 22310330, 31234462, 44620660, 62468924, 78086155, 156172310, 312344620]

約数ペア:

[(1, 312344620), (2, 156172310), (4, 78086155), (5, 62468924), (7, 44620660), (10, 31234462), (14, 22310330), (20, 15617231), (28, 11155165), (35, 8924132), (49, 6374380), (67, 4661860), (70, 4462066), (71, 4399220), (98, 3187190), (134, 2330930), (140, 2231033), (142, 2199610), (196, 1593595), (245, 1274876), (268, 1165465), (284, 1099805), (335, 932372), (355, 879844), (469, 665980), (490, 637438), (497, 628460), (670, 466186), (710, 439922), (938, 332990), (980, 318719), (994, 314230), (1340, 233093), (1420, 219961), (1876, 166495), (1988, 157115), (2345, 133196), (2485, 125692), (3283, 95140), (3479, 89780), (4489, 69580), (4690, 66598), (4757, 65660), (4970, 62846), (6566, 47570), (6958, 44890), (8978, 34790), (9380, 33299), (9514, 32830), (9940, 31423), (13132, 23785), (13916, 22445), (16415, 19028), (17395, 17956)]