245753144

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 606144000

約数和(自身を除く): 360390856

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 109, 133, 152, 163, 182, 218, 247, 266, 326, 364, 436, 494, 532, 652, 728, 763, 872, 988, 1064, 1141, 1304, 1417, 1526, 1729, 1976, 2071, 2119, 2282, 2834, 3052, 3097, 3458, 4142, 4238, 4564, 5668, 6104, 6194, 6916, 8284, 8476, 9128, 9919, 11336, 12388, 13832, 14497, 14833, 16568, 16952, 17767, 19838, 21679, 24776, 26923, 28994, 29666, 35534, 39676, 40261, 43358, 53846, 57988, 59332, 71068, 79352, 80522, 86716, 107692, 115976, 118664, 124369, 142136, 161044, 173432, 188461, 215384, 230971, 248738, 281827, 322088, 337573, 376922, 461942, 497476, 563654, 675146, 753844, 923884, 994952, 1127308, 1350292, 1507688, 1616797, 1847768, 2254616, 2363011, 2700584, 3233594, 4388449, 4726022, 6467188, 8776898, 9452044, 12934376, 17553796, 18904088, 30719143, 35107592, 61438286, 122876572, 245753144]

約数ペア:

[(1, 245753144), (2, 122876572), (4, 61438286), (7, 35107592), (8, 30719143), (13, 18904088), (14, 17553796), (19, 12934376), (26, 9452044), (28, 8776898), (38, 6467188), (52, 4726022), (56, 4388449), (76, 3233594), (91, 2700584), (104, 2363011), (109, 2254616), (133, 1847768), (152, 1616797), (163, 1507688), (182, 1350292), (218, 1127308), (247, 994952), (266, 923884), (326, 753844), (364, 675146), (436, 563654), (494, 497476), (532, 461942), (652, 376922), (728, 337573), (763, 322088), (872, 281827), (988, 248738), (1064, 230971), (1141, 215384), (1304, 188461), (1417, 173432), (1526, 161044), (1729, 142136), (1976, 124369), (2071, 118664), (2119, 115976), (2282, 107692), (2834, 86716), (3052, 80522), (3097, 79352), (3458, 71068), (4142, 59332), (4238, 57988), (4564, 53846), (5668, 43358), (6104, 40261), (6194, 39676), (6916, 35534), (8284, 29666), (8476, 28994), (9128, 26923), (9919, 24776), (11336, 21679), (12388, 19838), (13832, 17767), (14497, 16952), (14833, 16568)]