38688940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 93078720

約数和(自身を除く): 54389780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 53, 68, 76, 85, 95, 106, 113, 170, 190, 212, 226, 265, 323, 340, 380, 452, 530, 565, 646, 901, 1007, 1060, 1130, 1292, 1615, 1802, 1921, 2014, 2147, 2260, 3230, 3604, 3842, 4028, 4294, 4505, 5035, 5989, 6460, 7684, 8588, 9010, 9605, 10070, 10735, 11978, 17119, 18020, 19210, 20140, 21470, 23956, 29945, 34238, 36499, 38420, 42940, 59890, 68476, 72998, 85595, 101813, 113791, 119780, 145996, 171190, 182495, 203626, 227582, 342380, 364990, 407252, 455164, 509065, 568955, 729980, 1018130, 1137910, 1934447, 2036260, 2275820, 3868894, 7737788, 9672235, 19344470, 38688940]

約数ペア:

[(1, 38688940), (2, 19344470), (4, 9672235), (5, 7737788), (10, 3868894), (17, 2275820), (19, 2036260), (20, 1934447), (34, 1137910), (38, 1018130), (53, 729980), (68, 568955), (76, 509065), (85, 455164), (95, 407252), (106, 364990), (113, 342380), (170, 227582), (190, 203626), (212, 182495), (226, 171190), (265, 145996), (323, 119780), (340, 113791), (380, 101813), (452, 85595), (530, 72998), (565, 68476), (646, 59890), (901, 42940), (1007, 38420), (1060, 36499), (1130, 34238), (1292, 29945), (1615, 23956), (1802, 21470), (1921, 20140), (2014, 19210), (2147, 18020), (2260, 17119), (3230, 11978), (3604, 10735), (3842, 10070), (4028, 9605), (4294, 9010), (4505, 8588), (5035, 7684), (5989, 6460)]