31163800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 78120000

約数和(自身を除く): 46956200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 59, 76, 95, 100, 118, 139, 152, 190, 200, 236, 278, 295, 380, 472, 475, 556, 590, 695, 760, 950, 1112, 1121, 1180, 1390, 1475, 1900, 2242, 2360, 2641, 2780, 2950, 3475, 3800, 4484, 5282, 5560, 5605, 5900, 6950, 8201, 8968, 10564, 11210, 11800, 13205, 13900, 16402, 21128, 22420, 26410, 27800, 28025, 32804, 41005, 44840, 52820, 56050, 65608, 66025, 82010, 105640, 112100, 132050, 155819, 164020, 205025, 224200, 264100, 311638, 328040, 410050, 528200, 623276, 779095, 820100, 1246552, 1558190, 1640200, 3116380, 3895475, 6232760, 7790950, 15581900, 31163800]

約数ペア:

[(1, 31163800), (2, 15581900), (4, 7790950), (5, 6232760), (8, 3895475), (10, 3116380), (19, 1640200), (20, 1558190), (25, 1246552), (38, 820100), (40, 779095), (50, 623276), (59, 528200), (76, 410050), (95, 328040), (100, 311638), (118, 264100), (139, 224200), (152, 205025), (190, 164020), (200, 155819), (236, 132050), (278, 112100), (295, 105640), (380, 82010), (472, 66025), (475, 65608), (556, 56050), (590, 52820), (695, 44840), (760, 41005), (950, 32804), (1112, 28025), (1121, 27800), (1180, 26410), (1390, 22420), (1475, 21128), (1900, 16402), (2242, 13900), (2360, 13205), (2641, 11800), (2780, 11210), (2950, 10564), (3475, 8968), (3800, 8201), (4484, 6950), (5282, 5900), (5560, 5605)]