1999098984

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1373}}^1$

素因数の和:1535

約数の個数: 128

約数和(自身を含む): 5487206400

約数和(自身を除く): 3488107416

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 103, 114, 124, 152, 186, 206, 228, 248, 309, 372, 412, 456, 589, 618, 744, 824, 1178, 1236, 1373, 1767, 1957, 2356, 2472, 2746, 3193, 3534, 3914, 4119, 4712, 5492, 5871, 6386, 7068, 7828, 8238, 9579, 10984, 11742, 12772, 14136, 15656, 16476, 19158, 23484, 25544, 26087, 32952, 38316, 42563, 46968, 52174, 60667, 76632, 78261, 85126, 104348, 121334, 127689, 141419, 156522, 170252, 182001, 208696, 242668, 255378, 282838, 313044, 340504, 364002, 424257, 485336, 510756, 565676, 626088, 728004, 808697, 848514, 1021512, 1131352, 1456008, 1617394, 1697028, 2426091, 2686961, 3234788, 3394056, 4383989, 4852182, 5373922, 6469576, 8060883, 8767978, 9704364, 10747844, 13151967, 16121766, 17535956, 19408728, 21495688, 26303934, 32243532, 35071912, 52607868, 64487064, 83295791, 105215736, 166591582, 249887373, 333183164, 499774746, 666366328, 999549492, 1999098984]

約数ペア:

[(1, 1999098984), (2, 999549492), (3, 666366328), (4, 499774746), (6, 333183164), (8, 249887373), (12, 166591582), (19, 105215736), (24, 83295791), (31, 64487064), (38, 52607868), (57, 35071912), (62, 32243532), (76, 26303934), (93, 21495688), (103, 19408728), (114, 17535956), (124, 16121766), (152, 13151967), (186, 10747844), (206, 9704364), (228, 8767978), (248, 8060883), (309, 6469576), (372, 5373922), (412, 4852182), (456, 4383989), (589, 3394056), (618, 3234788), (744, 2686961), (824, 2426091), (1178, 1697028), (1236, 1617394), (1373, 1456008), (1767, 1131352), (1957, 1021512), (2356, 848514), (2472, 808697), (2746, 728004), (3193, 626088), (3534, 565676), (3914, 510756), (4119, 485336), (4712, 424257), (5492, 364002), (5871, 340504), (6386, 313044), (7068, 282838), (7828, 255378), (8238, 242668), (9579, 208696), (10984, 182001), (11742, 170252), (12772, 156522), (14136, 141419), (15656, 127689), (16476, 121334), (19158, 104348), (23484, 85126), (25544, 78261), (26087, 76632), (32952, 60667), (38316, 52174), (42563, 46968)]