120991000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 128

約数和(自身を含む): 313709760

約数和(自身を除く): 192718760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 41, 50, 52, 65, 82, 100, 104, 125, 130, 164, 200, 205, 227, 250, 260, 325, 328, 410, 454, 500, 520, 533, 650, 820, 908, 1000, 1025, 1066, 1135, 1300, 1625, 1640, 1816, 2050, 2132, 2270, 2600, 2665, 2951, 3250, 4100, 4264, 4540, 5125, 5330, 5675, 5902, 6500, 8200, 9080, 9307, 10250, 10660, 11350, 11804, 13000, 13325, 14755, 18614, 20500, 21320, 22700, 23608, 26650, 28375, 29510, 37228, 41000, 45400, 46535, 53300, 56750, 59020, 66625, 73775, 74456, 93070, 106600, 113500, 118040, 120991, 133250, 147550, 186140, 227000, 232675, 241982, 266500, 295100, 368875, 372280, 465350, 483964, 533000, 590200, 604955, 737750, 930700, 967928, 1163375, 1209910, 1475500, 1861400, 2326750, 2419820, 2951000, 3024775, 4653500, 4839640, 6049550, 9307000, 12099100, 15123875, 24198200, 30247750, 60495500, 120991000]

約数ペア:

[(1, 120991000), (2, 60495500), (4, 30247750), (5, 24198200), (8, 15123875), (10, 12099100), (13, 9307000), (20, 6049550), (25, 4839640), (26, 4653500), (40, 3024775), (41, 2951000), (50, 2419820), (52, 2326750), (65, 1861400), (82, 1475500), (100, 1209910), (104, 1163375), (125, 967928), (130, 930700), (164, 737750), (200, 604955), (205, 590200), (227, 533000), (250, 483964), (260, 465350), (325, 372280), (328, 368875), (410, 295100), (454, 266500), (500, 241982), (520, 232675), (533, 227000), (650, 186140), (820, 147550), (908, 133250), (1000, 120991), (1025, 118040), (1066, 113500), (1135, 106600), (1300, 93070), (1625, 74456), (1640, 73775), (1816, 66625), (2050, 59020), (2132, 56750), (2270, 53300), (2600, 46535), (2665, 45400), (2951, 41000), (3250, 37228), (4100, 29510), (4264, 28375), (4540, 26650), (5125, 23608), (5330, 22700), (5675, 21320), (5902, 20500), (6500, 18614), (8200, 14755), (9080, 13325), (9307, 13000), (10250, 11804), (10660, 11350)]