423205180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 931878864

約数和(自身を除く): 508673684

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 227, 310, 388, 454, 485, 620, 908, 961, 970, 1135, 1922, 1940, 2270, 3007, 3844, 4540, 4805, 6014, 7037, 9610, 12028, 14074, 15035, 19220, 22019, 28148, 30070, 35185, 44038, 60140, 70370, 88076, 93217, 110095, 140740, 186434, 218147, 220190, 372868, 436294, 440380, 466085, 682589, 872588, 932170, 1090735, 1365178, 1864340, 2181470, 2730356, 3412945, 4362940, 6825890, 13651780, 21160259, 42320518, 84641036, 105801295, 211602590, 423205180]

約数ペア:

[(1, 423205180), (2, 211602590), (4, 105801295), (5, 84641036), (10, 42320518), (20, 21160259), (31, 13651780), (62, 6825890), (97, 4362940), (124, 3412945), (155, 2730356), (194, 2181470), (227, 1864340), (310, 1365178), (388, 1090735), (454, 932170), (485, 872588), (620, 682589), (908, 466085), (961, 440380), (970, 436294), (1135, 372868), (1922, 220190), (1940, 218147), (2270, 186434), (3007, 140740), (3844, 110095), (4540, 93217), (4805, 88076), (6014, 70370), (7037, 60140), (9610, 44038), (12028, 35185), (14074, 30070), (15035, 28148), (19220, 22019)]