171400900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 437472000

約数和(自身を除く): 266071100

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 59, 76, 95, 100, 110, 118, 139, 190, 209, 220, 236, 275, 278, 295, 380, 418, 475, 550, 556, 590, 649, 695, 836, 950, 1045, 1100, 1121, 1180, 1298, 1390, 1475, 1529, 1900, 2090, 2242, 2596, 2641, 2780, 2950, 3058, 3245, 3475, 4180, 4484, 5225, 5282, 5605, 5900, 6116, 6490, 6950, 7645, 8201, 10450, 10564, 11210, 12331, 12980, 13205, 13900, 15290, 16225, 16402, 20900, 22420, 24662, 26410, 28025, 29051, 30580, 32450, 32804, 38225, 41005, 49324, 52820, 56050, 58102, 61655, 64900, 66025, 76450, 82010, 90211, 112100, 116204, 123310, 132050, 145255, 152900, 155819, 164020, 180422, 205025, 246620, 264100, 290510, 308275, 311638, 360844, 410050, 451055, 581020, 616550, 623276, 726275, 779095, 820100, 902110, 1233100, 1452550, 1558190, 1714009, 1804220, 2255275, 2905100, 3116380, 3428018, 3895475, 4510550, 6856036, 7790950, 8570045, 9021100, 15581900, 17140090, 34280180, 42850225, 85700450, 171400900]

約数ペア:

[(1, 171400900), (2, 85700450), (4, 42850225), (5, 34280180), (10, 17140090), (11, 15581900), (19, 9021100), (20, 8570045), (22, 7790950), (25, 6856036), (38, 4510550), (44, 3895475), (50, 3428018), (55, 3116380), (59, 2905100), (76, 2255275), (95, 1804220), (100, 1714009), (110, 1558190), (118, 1452550), (139, 1233100), (190, 902110), (209, 820100), (220, 779095), (236, 726275), (275, 623276), (278, 616550), (295, 581020), (380, 451055), (418, 410050), (475, 360844), (550, 311638), (556, 308275), (590, 290510), (649, 264100), (695, 246620), (836, 205025), (950, 180422), (1045, 164020), (1100, 155819), (1121, 152900), (1180, 145255), (1298, 132050), (1390, 123310), (1475, 116204), (1529, 112100), (1900, 90211), (2090, 82010), (2242, 76450), (2596, 66025), (2641, 64900), (2780, 61655), (2950, 58102), (3058, 56050), (3245, 52820), (3475, 49324), (4180, 41005), (4484, 38225), (5225, 32804), (5282, 32450), (5605, 30580), (5900, 29051), (6116, 28025), (6490, 26410), (6950, 24662), (7645, 22420), (8201, 20900), (10450, 16402), (10564, 16225), (11210, 15290), (12331, 13900), (12980, 13205)]