279435888

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{937}}^1$

素因数の和:1079

約数の個数: 120

約数和(自身を含む): 831630800

約数和(自身を除く): 552194912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 109, 114, 144, 152, 171, 218, 228, 304, 327, 342, 436, 456, 654, 684, 872, 912, 937, 981, 1308, 1368, 1744, 1874, 1962, 2071, 2616, 2736, 2811, 3748, 3924, 4142, 5232, 5622, 6213, 7496, 7848, 8284, 8433, 11244, 12426, 14992, 15696, 16568, 16866, 17803, 18639, 22488, 24852, 33136, 33732, 35606, 37278, 44976, 49704, 53409, 67464, 71212, 74556, 99408, 102133, 106818, 134928, 142424, 149112, 160227, 204266, 213636, 284848, 298224, 306399, 320454, 408532, 427272, 612798, 640908, 817064, 854544, 919197, 1225596, 1281816, 1634128, 1838394, 1940527, 2451192, 2563632, 3676788, 3881054, 4902384, 5821581, 7353576, 7762108, 11643162, 14707152, 15524216, 17464743, 23286324, 31048432, 34929486, 46572648, 69858972, 93145296, 139717944, 279435888]

約数ペア:

[(1, 279435888), (2, 139717944), (3, 93145296), (4, 69858972), (6, 46572648), (8, 34929486), (9, 31048432), (12, 23286324), (16, 17464743), (18, 15524216), (19, 14707152), (24, 11643162), (36, 7762108), (38, 7353576), (48, 5821581), (57, 4902384), (72, 3881054), (76, 3676788), (109, 2563632), (114, 2451192), (144, 1940527), (152, 1838394), (171, 1634128), (218, 1281816), (228, 1225596), (304, 919197), (327, 854544), (342, 817064), (436, 640908), (456, 612798), (654, 427272), (684, 408532), (872, 320454), (912, 306399), (937, 298224), (981, 284848), (1308, 213636), (1368, 204266), (1744, 160227), (1874, 149112), (1962, 142424), (2071, 134928), (2616, 106818), (2736, 102133), (2811, 99408), (3748, 74556), (3924, 71212), (4142, 67464), (5232, 53409), (5622, 49704), (6213, 44976), (7496, 37278), (7848, 35606), (8284, 33732), (8433, 33136), (11244, 24852), (12426, 22488), (14992, 18639), (15696, 17803), (16568, 16866)]