457834640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 1142926848

約数和(自身を除く): 685092208

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 83, 95, 152, 166, 190, 191, 304, 332, 361, 380, 382, 415, 664, 722, 760, 764, 830, 955, 1328, 1444, 1520, 1528, 1577, 1660, 1805, 1910, 2888, 3056, 3154, 3320, 3610, 3629, 3820, 5776, 6308, 6640, 7220, 7258, 7640, 7885, 12616, 14440, 14516, 15280, 15770, 15853, 18145, 25232, 28880, 29032, 29963, 31540, 31706, 36290, 58064, 59926, 63080, 63412, 68951, 72580, 79265, 119852, 126160, 126824, 137902, 145160, 149815, 158530, 239704, 253648, 275804, 290320, 299630, 301207, 317060, 344755, 479408, 551608, 599260, 602414, 634120, 689510, 1103216, 1198520, 1204828, 1268240, 1379020, 1506035, 2397040, 2409656, 2758040, 3012070, 4819312, 5516080, 5722933, 6024140, 11445866, 12048280, 22891732, 24096560, 28614665, 45783464, 57229330, 91566928, 114458660, 228917320, 457834640]

約数ペア:

[(1, 457834640), (2, 228917320), (4, 114458660), (5, 91566928), (8, 57229330), (10, 45783464), (16, 28614665), (19, 24096560), (20, 22891732), (38, 12048280), (40, 11445866), (76, 6024140), (80, 5722933), (83, 5516080), (95, 4819312), (152, 3012070), (166, 2758040), (190, 2409656), (191, 2397040), (304, 1506035), (332, 1379020), (361, 1268240), (380, 1204828), (382, 1198520), (415, 1103216), (664, 689510), (722, 634120), (760, 602414), (764, 599260), (830, 551608), (955, 479408), (1328, 344755), (1444, 317060), (1520, 301207), (1528, 299630), (1577, 290320), (1660, 275804), (1805, 253648), (1910, 239704), (2888, 158530), (3056, 149815), (3154, 145160), (3320, 137902), (3610, 126824), (3629, 126160), (3820, 119852), (5776, 79265), (6308, 72580), (6640, 68951), (7220, 63412), (7258, 63080), (7640, 59926), (7885, 58064), (12616, 36290), (14440, 31706), (14516, 31540), (15280, 29963), (15770, 29032), (15853, 28880), (18145, 25232)]