220153700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 554131200

約数和(自身を除く): 333977500

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 37, 46, 50, 52, 65, 74, 92, 100, 115, 130, 148, 185, 199, 230, 260, 299, 325, 370, 398, 460, 481, 575, 598, 650, 740, 796, 851, 925, 962, 995, 1150, 1196, 1300, 1495, 1702, 1850, 1924, 1990, 2300, 2405, 2587, 2990, 3404, 3700, 3980, 4255, 4577, 4810, 4975, 5174, 5980, 7363, 7475, 8510, 9154, 9620, 9950, 10348, 11063, 12025, 12935, 14726, 14950, 17020, 18308, 19900, 21275, 22126, 22885, 24050, 25870, 29452, 29900, 36815, 42550, 44252, 45770, 48100, 51740, 55315, 59501, 64675, 73630, 85100, 91540, 95719, 110630, 114425, 119002, 129350, 147260, 169349, 184075, 191438, 221260, 228850, 238004, 258700, 276575, 297505, 338698, 368150, 382876, 457700, 478595, 553150, 595010, 677396, 736300, 846745, 957190, 1106300, 1190020, 1487525, 1693490, 1914380, 2201537, 2392975, 2975050, 3386980, 4233725, 4403074, 4785950, 5950100, 8467450, 8806148, 9571900, 11007685, 16934900, 22015370, 44030740, 55038425, 110076850, 220153700]

約数ペア:

[(1, 220153700), (2, 110076850), (4, 55038425), (5, 44030740), (10, 22015370), (13, 16934900), (20, 11007685), (23, 9571900), (25, 8806148), (26, 8467450), (37, 5950100), (46, 4785950), (50, 4403074), (52, 4233725), (65, 3386980), (74, 2975050), (92, 2392975), (100, 2201537), (115, 1914380), (130, 1693490), (148, 1487525), (185, 1190020), (199, 1106300), (230, 957190), (260, 846745), (299, 736300), (325, 677396), (370, 595010), (398, 553150), (460, 478595), (481, 457700), (575, 382876), (598, 368150), (650, 338698), (740, 297505), (796, 276575), (851, 258700), (925, 238004), (962, 228850), (995, 221260), (1150, 191438), (1196, 184075), (1300, 169349), (1495, 147260), (1702, 129350), (1850, 119002), (1924, 114425), (1990, 110630), (2300, 95719), (2405, 91540), (2587, 85100), (2990, 73630), (3404, 64675), (3700, 59501), (3980, 55315), (4255, 51740), (4577, 48100), (4810, 45770), (4975, 44252), (5174, 42550), (5980, 36815), (7363, 29900), (7475, 29452), (8510, 25870), (9154, 24050), (9620, 22885), (9950, 22126), (10348, 21275), (11063, 19900), (12025, 18308), (12935, 17020), (14726, 14950)]