508102400

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 216

約数和(自身を含む): 1405160064

約数和(自身を除く): 897057664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 128, 130, 155, 160, 197, 200, 208, 248, 256, 260, 310, 320, 325, 394, 400, 403, 416, 496, 520, 620, 640, 650, 775, 788, 800, 806, 832, 985, 992, 1040, 1240, 1280, 1300, 1550, 1576, 1600, 1612, 1664, 1970, 1984, 2015, 2080, 2480, 2561, 2600, 3100, 3152, 3200, 3224, 3328, 3940, 3968, 4030, 4160, 4925, 4960, 5122, 5200, 6107, 6200, 6304, 6400, 6448, 7880, 7936, 8060, 8320, 9850, 9920, 10075, 10244, 10400, 12214, 12400, 12608, 12805, 12896, 15760, 16120, 16640, 19700, 19840, 20150, 20488, 20800, 24428, 24800, 25216, 25610, 25792, 30535, 31520, 32240, 39400, 39680, 40300, 40976, 41600, 48856, 49600, 50432, 51220, 51584, 61070, 63040, 64025, 64480, 78800, 79391, 80600, 81952, 83200, 97712, 99200, 102440, 103168, 122140, 126080, 128050, 128960, 152675, 157600, 158782, 161200, 163904, 195424, 198400, 204880, 244280, 252160, 256100, 257920, 305350, 315200, 317564, 322400, 327808, 390848, 396955, 409760, 488560, 512200, 515840, 610700, 630400, 635128, 644800, 655616, 781696, 793910, 819520, 977120, 1024400, 1221400, 1260800, 1270256, 1289600, 1563392, 1587820, 1639040, 1954240, 1984775, 2048800, 2442800, 2540512, 2579200, 3175640, 3278080, 3908480, 3969550, 4097600, 4885600, 5081024, 6351280, 7816960, 7939100, 8195200, 9771200, 10162048, 12702560, 15878200, 16390400, 19542400, 20324096, 25405120, 31756400, 39084800, 50810240, 63512800, 101620480, 127025600, 254051200, 508102400]

約数ペア:

[(1, 508102400), (2, 254051200), (4, 127025600), (5, 101620480), (8, 63512800), (10, 50810240), (13, 39084800), (16, 31756400), (20, 25405120), (25, 20324096), (26, 19542400), (31, 16390400), (32, 15878200), (40, 12702560), (50, 10162048), (52, 9771200), (62, 8195200), (64, 7939100), (65, 7816960), (80, 6351280), (100, 5081024), (104, 4885600), (124, 4097600), (128, 3969550), (130, 3908480), (155, 3278080), (160, 3175640), (197, 2579200), (200, 2540512), (208, 2442800), (248, 2048800), (256, 1984775), (260, 1954240), (310, 1639040), (320, 1587820), (325, 1563392), (394, 1289600), (400, 1270256), (403, 1260800), (416, 1221400), (496, 1024400), (520, 977120), (620, 819520), (640, 793910), (650, 781696), (775, 655616), (788, 644800), (800, 635128), (806, 630400), (832, 610700), (985, 515840), (992, 512200), (1040, 488560), (1240, 409760), (1280, 396955), (1300, 390848), (1550, 327808), (1576, 322400), (1600, 317564), (1612, 315200), (1664, 305350), (1970, 257920), (1984, 256100), (2015, 252160), (2080, 244280), (2480, 204880), (2561, 198400), (2600, 195424), (3100, 163904), (3152, 161200), (3200, 158782), (3224, 157600), (3328, 152675), (3940, 128960), (3968, 128050), (4030, 126080), (4160, 122140), (4925, 103168), (4960, 102440), (5122, 99200), (5200, 97712), (6107, 83200), (6200, 81952), (6304, 80600), (6400, 79391), (6448, 78800), (7880, 64480), (7936, 64025), (8060, 63040), (8320, 61070), (9850, 51584), (9920, 51220), (10075, 50432), (10244, 49600), (10400, 48856), (12214, 41600), (12400, 40976), (12608, 40300), (12805, 39680), (12896, 39400), (15760, 32240), (16120, 31520), (16640, 30535), (19700, 25792), (19840, 25610), (20150, 25216), (20488, 24800), (20800, 24428)]