400887720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2777}}^1$

素因数の和:3195

約数の個数: 96

約数和(自身を含む): 1306604520

約数和(自身を除く): 905716800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 401, 802, 1203, 1604, 2005, 2406, 2777, 3208, 3609, 4010, 4812, 5554, 6015, 7218, 8020, 8331, 9624, 11108, 12030, 13885, 14436, 16040, 16662, 18045, 22216, 24060, 24993, 27770, 28872, 33324, 36090, 41655, 48120, 49986, 55540, 66648, 72180, 83310, 99972, 111080, 124965, 144360, 166620, 199944, 249930, 333240, 499860, 999720, 1113577, 2227154, 3340731, 4454308, 5567885, 6681462, 8908616, 10022193, 11135770, 13362924, 16703655, 20044386, 22271540, 26725848, 33407310, 40088772, 44543080, 50110965, 66814620, 80177544, 100221930, 133629240, 200443860, 400887720]

約数ペア:

[(1, 400887720), (2, 200443860), (3, 133629240), (4, 100221930), (5, 80177544), (6, 66814620), (8, 50110965), (9, 44543080), (10, 40088772), (12, 33407310), (15, 26725848), (18, 22271540), (20, 20044386), (24, 16703655), (30, 13362924), (36, 11135770), (40, 10022193), (45, 8908616), (60, 6681462), (72, 5567885), (90, 4454308), (120, 3340731), (180, 2227154), (360, 1113577), (401, 999720), (802, 499860), (1203, 333240), (1604, 249930), (2005, 199944), (2406, 166620), (2777, 144360), (3208, 124965), (3609, 111080), (4010, 99972), (4812, 83310), (5554, 72180), (6015, 66648), (7218, 55540), (8020, 49986), (8331, 48120), (9624, 41655), (11108, 36090), (12030, 33324), (13885, 28872), (14436, 27770), (16040, 24993), (16662, 24060), (18045, 22216)]