16987100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 40466160

約数和(自身を除く): 23479060

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 73, 100, 130, 146, 179, 260, 292, 325, 358, 365, 650, 716, 730, 895, 949, 1300, 1460, 1790, 1825, 1898, 2327, 3580, 3650, 3796, 4475, 4654, 4745, 7300, 8950, 9308, 9490, 11635, 13067, 17900, 18980, 23270, 23725, 26134, 46540, 47450, 52268, 58175, 65335, 94900, 116350, 130670, 169871, 232700, 261340, 326675, 339742, 653350, 679484, 849355, 1306700, 1698710, 3397420, 4246775, 8493550, 16987100]

約数ペア:

[(1, 16987100), (2, 8493550), (4, 4246775), (5, 3397420), (10, 1698710), (13, 1306700), (20, 849355), (25, 679484), (26, 653350), (50, 339742), (52, 326675), (65, 261340), (73, 232700), (100, 169871), (130, 130670), (146, 116350), (179, 94900), (260, 65335), (292, 58175), (325, 52268), (358, 47450), (365, 46540), (650, 26134), (716, 23725), (730, 23270), (895, 18980), (949, 17900), (1300, 13067), (1460, 11635), (1790, 9490), (1825, 9308), (1898, 8950), (2327, 7300), (3580, 4745), (3650, 4654), (3796, 4475)]