881569220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{17443}}^1$

素因数の和:17497

約数の個数: 72

約数和(自身を含む): 2233111104

約数和(自身を除く): 1351541884

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1330, 1444, 1805, 2527, 2660, 3610, 5054, 7220, 10108, 12635, 17443, 25270, 34886, 50540, 69772, 87215, 122101, 174430, 244202, 331417, 348860, 488404, 610505, 662834, 1221010, 1325668, 1657085, 2319919, 2442020, 3314170, 4639838, 6296923, 6628340, 9279676, 11599595, 12593846, 23199190, 25187692, 31484615, 44078461, 46398380, 62969230, 88156922, 125938460, 176313844, 220392305, 440784610, 881569220]

約数ペア:

[(1, 881569220), (2, 440784610), (4, 220392305), (5, 176313844), (7, 125938460), (10, 88156922), (14, 62969230), (19, 46398380), (20, 44078461), (28, 31484615), (35, 25187692), (38, 23199190), (70, 12593846), (76, 11599595), (95, 9279676), (133, 6628340), (140, 6296923), (190, 4639838), (266, 3314170), (361, 2442020), (380, 2319919), (532, 1657085), (665, 1325668), (722, 1221010), (1330, 662834), (1444, 610505), (1805, 488404), (2527, 348860), (2660, 331417), (3610, 244202), (5054, 174430), (7220, 122101), (10108, 87215), (12635, 69772), (17443, 50540), (25270, 34886)]