79220000

素因数分解:

$2^5\times 5^4\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:280

約数の個数: 120

約数和(自身を含む): 207243036

約数和(自身を除く): 128023036

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 125, 136, 160, 170, 200, 233, 250, 272, 340, 400, 425, 466, 500, 544, 625, 680, 800, 850, 932, 1000, 1165, 1250, 1360, 1700, 1864, 2000, 2125, 2330, 2500, 2720, 3400, 3728, 3961, 4000, 4250, 4660, 5000, 5825, 6800, 7456, 7922, 8500, 9320, 10000, 10625, 11650, 13600, 15844, 17000, 18640, 19805, 20000, 21250, 23300, 29125, 31688, 34000, 37280, 39610, 42500, 46600, 58250, 63376, 68000, 79220, 85000, 93200, 99025, 116500, 126752, 145625, 158440, 170000, 186400, 198050, 233000, 291250, 316880, 340000, 396100, 466000, 495125, 582500, 633760, 792200, 932000, 990250, 1165000, 1584400, 1980500, 2330000, 2475625, 3168800, 3961000, 4660000, 4951250, 7922000, 9902500, 15844000, 19805000, 39610000, 79220000]

約数ペア:

[(1, 79220000), (2, 39610000), (4, 19805000), (5, 15844000), (8, 9902500), (10, 7922000), (16, 4951250), (17, 4660000), (20, 3961000), (25, 3168800), (32, 2475625), (34, 2330000), (40, 1980500), (50, 1584400), (68, 1165000), (80, 990250), (85, 932000), (100, 792200), (125, 633760), (136, 582500), (160, 495125), (170, 466000), (200, 396100), (233, 340000), (250, 316880), (272, 291250), (340, 233000), (400, 198050), (425, 186400), (466, 170000), (500, 158440), (544, 145625), (625, 126752), (680, 116500), (800, 99025), (850, 93200), (932, 85000), (1000, 79220), (1165, 68000), (1250, 63376), (1360, 58250), (1700, 46600), (1864, 42500), (2000, 39610), (2125, 37280), (2330, 34000), (2500, 31688), (2720, 29125), (3400, 23300), (3728, 21250), (3961, 20000), (4000, 19805), (4250, 18640), (4660, 17000), (5000, 15844), (5825, 13600), (6800, 11650), (7456, 10625), (7922, 10000), (8500, 9320)]