401023120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1367}}^1$

素因数の和:1592

約数の個数: 80

約数和(自身を含む): 987258240

約数和(自身を除く): 586235120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 193, 304, 380, 386, 760, 772, 965, 1367, 1520, 1544, 1930, 2734, 3088, 3667, 3860, 5468, 6835, 7334, 7720, 10936, 13670, 14668, 15440, 18335, 21872, 25973, 27340, 29336, 36670, 51946, 54680, 58672, 73340, 103892, 109360, 129865, 146680, 207784, 259730, 263831, 293360, 415568, 519460, 527662, 1038920, 1055324, 1319155, 2077840, 2110648, 2638310, 4221296, 5012789, 5276620, 10025578, 10553240, 20051156, 21106480, 25063945, 40102312, 50127890, 80204624, 100255780, 200511560, 401023120]

約数ペア:

[(1, 401023120), (2, 200511560), (4, 100255780), (5, 80204624), (8, 50127890), (10, 40102312), (16, 25063945), (19, 21106480), (20, 20051156), (38, 10553240), (40, 10025578), (76, 5276620), (80, 5012789), (95, 4221296), (152, 2638310), (190, 2110648), (193, 2077840), (304, 1319155), (380, 1055324), (386, 1038920), (760, 527662), (772, 519460), (965, 415568), (1367, 293360), (1520, 263831), (1544, 259730), (1930, 207784), (2734, 146680), (3088, 129865), (3667, 109360), (3860, 103892), (5468, 73340), (6835, 58672), (7334, 54680), (7720, 51946), (10936, 36670), (13670, 29336), (14668, 27340), (15440, 25973), (18335, 21872)]