388773800

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:651

約数の個数: 96

約数和(自身を含む): 938913120

約数和(自身を除く): 550139320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 107, 148, 185, 200, 214, 296, 370, 428, 491, 535, 740, 856, 925, 982, 1070, 1480, 1850, 1964, 2140, 2455, 2675, 3700, 3928, 3959, 4280, 4910, 5350, 7400, 7918, 9820, 10700, 12275, 15836, 18167, 19640, 19795, 21400, 24550, 31672, 36334, 39590, 49100, 52537, 72668, 79180, 90835, 98200, 98975, 105074, 145336, 158360, 181670, 197950, 210148, 262685, 363340, 395900, 420296, 454175, 525370, 726680, 791800, 908350, 1050740, 1313425, 1816700, 1943869, 2101480, 2626850, 3633400, 3887738, 5253700, 7775476, 9719345, 10507400, 15550952, 19438690, 38877380, 48596725, 77754760, 97193450, 194386900, 388773800]

約数ペア:

[(1, 388773800), (2, 194386900), (4, 97193450), (5, 77754760), (8, 48596725), (10, 38877380), (20, 19438690), (25, 15550952), (37, 10507400), (40, 9719345), (50, 7775476), (74, 5253700), (100, 3887738), (107, 3633400), (148, 2626850), (185, 2101480), (200, 1943869), (214, 1816700), (296, 1313425), (370, 1050740), (428, 908350), (491, 791800), (535, 726680), (740, 525370), (856, 454175), (925, 420296), (982, 395900), (1070, 363340), (1480, 262685), (1850, 210148), (1964, 197950), (2140, 181670), (2455, 158360), (2675, 145336), (3700, 105074), (3928, 98975), (3959, 98200), (4280, 90835), (4910, 79180), (5350, 72668), (7400, 52537), (7918, 49100), (9820, 39590), (10700, 36334), (12275, 31672), (15836, 24550), (18167, 21400), (19640, 19795)]