161557000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{773}}^1$

素因数の和:824

約数の個数: 128

約数和(自身を含む): 434678400

約数和(自身を除く): 273121400

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 125, 152, 190, 200, 209, 220, 250, 275, 380, 418, 440, 475, 500, 550, 760, 773, 836, 950, 1000, 1045, 1100, 1375, 1546, 1672, 1900, 2090, 2200, 2375, 2750, 3092, 3800, 3865, 4180, 4750, 5225, 5500, 6184, 7730, 8360, 8503, 9500, 10450, 11000, 14687, 15460, 17006, 19000, 19325, 20900, 26125, 29374, 30920, 34012, 38650, 41800, 42515, 52250, 58748, 68024, 73435, 77300, 85030, 96625, 104500, 117496, 146870, 154600, 161557, 170060, 193250, 209000, 212575, 293740, 323114, 340120, 367175, 386500, 425150, 587480, 646228, 734350, 773000, 807785, 850300, 1062875, 1292456, 1468700, 1615570, 1700600, 1835875, 2125750, 2937400, 3231140, 3671750, 4038925, 4251500, 6462280, 7343500, 8077850, 8503000, 14687000, 16155700, 20194625, 32311400, 40389250, 80778500, 161557000]

約数ペア:

[(1, 161557000), (2, 80778500), (4, 40389250), (5, 32311400), (8, 20194625), (10, 16155700), (11, 14687000), (19, 8503000), (20, 8077850), (22, 7343500), (25, 6462280), (38, 4251500), (40, 4038925), (44, 3671750), (50, 3231140), (55, 2937400), (76, 2125750), (88, 1835875), (95, 1700600), (100, 1615570), (110, 1468700), (125, 1292456), (152, 1062875), (190, 850300), (200, 807785), (209, 773000), (220, 734350), (250, 646228), (275, 587480), (380, 425150), (418, 386500), (440, 367175), (475, 340120), (500, 323114), (550, 293740), (760, 212575), (773, 209000), (836, 193250), (950, 170060), (1000, 161557), (1045, 154600), (1100, 146870), (1375, 117496), (1546, 104500), (1672, 96625), (1900, 85030), (2090, 77300), (2200, 73435), (2375, 68024), (2750, 58748), (3092, 52250), (3800, 42515), (3865, 41800), (4180, 38650), (4750, 34012), (5225, 30920), (5500, 29374), (6184, 26125), (7730, 20900), (8360, 19325), (8503, 19000), (9500, 17006), (10450, 15460), (11000, 14687)]