279502008

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 762048000

約数和(自身を除く): 482545992

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 71, 76, 89, 97, 114, 142, 152, 178, 194, 213, 228, 267, 284, 291, 356, 388, 426, 456, 534, 568, 582, 712, 776, 852, 1068, 1164, 1349, 1691, 1704, 1843, 2136, 2328, 2698, 3382, 3686, 4047, 5073, 5396, 5529, 6319, 6764, 6887, 7372, 8094, 8633, 10146, 10792, 11058, 12638, 13528, 13774, 14744, 16188, 17266, 18957, 20292, 20661, 22116, 25276, 25899, 27548, 32376, 34532, 37914, 40584, 41322, 44232, 50552, 51798, 55096, 69064, 75828, 82644, 103596, 120061, 130853, 151656, 164027, 165288, 207192, 240122, 261706, 328054, 360183, 392559, 480244, 492081, 523412, 612943, 656108, 720366, 785118, 960488, 984162, 1046824, 1225886, 1312216, 1440732, 1570236, 1838829, 1968324, 2451772, 2881464, 3140472, 3677658, 3936648, 4903544, 7355316, 11645917, 14710632, 23291834, 34937751, 46583668, 69875502, 93167336, 139751004, 279502008]

約数ペア:

[(1, 279502008), (2, 139751004), (3, 93167336), (4, 69875502), (6, 46583668), (8, 34937751), (12, 23291834), (19, 14710632), (24, 11645917), (38, 7355316), (57, 4903544), (71, 3936648), (76, 3677658), (89, 3140472), (97, 2881464), (114, 2451772), (142, 1968324), (152, 1838829), (178, 1570236), (194, 1440732), (213, 1312216), (228, 1225886), (267, 1046824), (284, 984162), (291, 960488), (356, 785118), (388, 720366), (426, 656108), (456, 612943), (534, 523412), (568, 492081), (582, 480244), (712, 392559), (776, 360183), (852, 328054), (1068, 261706), (1164, 240122), (1349, 207192), (1691, 165288), (1704, 164027), (1843, 151656), (2136, 130853), (2328, 120061), (2698, 103596), (3382, 82644), (3686, 75828), (4047, 69064), (5073, 55096), (5396, 51798), (5529, 50552), (6319, 44232), (6764, 41322), (6887, 40584), (7372, 37914), (8094, 34532), (8633, 32376), (10146, 27548), (10792, 25899), (11058, 25276), (12638, 22116), (13528, 20661), (13774, 20292), (14744, 18957), (16188, 17266)]