400018049346

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{278639}}^1$

素因数の和:278871

約数の個数: 64

約数和(自身を含む): 851274178560

約数和(自身を除く): 451256129214

約数列:

[1, 2, 3, 6, 23, 46, 69, 101, 103, 138, 202, 206, 303, 309, 606, 618, 2323, 2369, 4646, 4738, 6969, 7107, 10403, 13938, 14214, 20806, 31209, 62418, 239269, 278639, 478538, 557278, 717807, 835917, 1435614, 1671834, 6408697, 12817394, 19226091, 28142539, 28699817, 38452182, 56285078, 57399634, 84427617, 86099451, 168855234, 172198902, 647278397, 660095791, 1294556794, 1320191582, 1941835191, 1980287373, 2898681517, 3883670382, 3960574746, 5797363034, 8696044551, 17392089102, 66669674891, 133339349782, 200009024673, 400018049346]

約数ペア:

[(1, 400018049346), (2, 200009024673), (3, 133339349782), (6, 66669674891), (23, 17392089102), (46, 8696044551), (69, 5797363034), (101, 3960574746), (103, 3883670382), (138, 2898681517), (202, 1980287373), (206, 1941835191), (303, 1320191582), (309, 1294556794), (606, 660095791), (618, 647278397), (2323, 172198902), (2369, 168855234), (4646, 86099451), (4738, 84427617), (6969, 57399634), (7107, 56285078), (10403, 38452182), (13938, 28699817), (14214, 28142539), (20806, 19226091), (31209, 12817394), (62418, 6408697), (239269, 1671834), (278639, 1435614), (478538, 835917), (557278, 717807)]