497438920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 1263911040

約数和(自身を除く): 766472120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 83, 88, 106, 110, 166, 212, 220, 257, 265, 332, 415, 424, 440, 514, 530, 583, 664, 830, 913, 1028, 1060, 1166, 1285, 1660, 1826, 2056, 2120, 2332, 2570, 2827, 2915, 3320, 3652, 4399, 4565, 4664, 5140, 5654, 5830, 7304, 8798, 9130, 10280, 11308, 11660, 13621, 14135, 17596, 18260, 21331, 21995, 22616, 23320, 27242, 28270, 35192, 36520, 42662, 43990, 48389, 54484, 56540, 68105, 85324, 87980, 96778, 106655, 108968, 113080, 136210, 149831, 170648, 175960, 193556, 213310, 234641, 241945, 272420, 299662, 387112, 426620, 469282, 483890, 544840, 599324, 749155, 853240, 938564, 967780, 1130543, 1173205, 1198648, 1498310, 1877128, 1935560, 2261086, 2346410, 2996620, 4522172, 4692820, 5652715, 5993240, 9044344, 9385640, 11305430, 12435973, 22610860, 24871946, 45221720, 49743892, 62179865, 99487784, 124359730, 248719460, 497438920]

約数ペア:

[(1, 497438920), (2, 248719460), (4, 124359730), (5, 99487784), (8, 62179865), (10, 49743892), (11, 45221720), (20, 24871946), (22, 22610860), (40, 12435973), (44, 11305430), (53, 9385640), (55, 9044344), (83, 5993240), (88, 5652715), (106, 4692820), (110, 4522172), (166, 2996620), (212, 2346410), (220, 2261086), (257, 1935560), (265, 1877128), (332, 1498310), (415, 1198648), (424, 1173205), (440, 1130543), (514, 967780), (530, 938564), (583, 853240), (664, 749155), (830, 599324), (913, 544840), (1028, 483890), (1060, 469282), (1166, 426620), (1285, 387112), (1660, 299662), (1826, 272420), (2056, 241945), (2120, 234641), (2332, 213310), (2570, 193556), (2827, 175960), (2915, 170648), (3320, 149831), (3652, 136210), (4399, 113080), (4565, 108968), (4664, 106655), (5140, 96778), (5654, 87980), (5830, 85324), (7304, 68105), (8798, 56540), (9130, 54484), (10280, 48389), (11308, 43990), (11660, 42662), (13621, 36520), (14135, 35192), (17596, 28270), (18260, 27242), (21331, 23320), (21995, 22616)]