279572080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{953}}^1$

素因数の和:1178

約数の個数: 80

約数和(自身を含む): 688482720

約数和(自身を除く): 408910640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 193, 304, 380, 386, 760, 772, 953, 965, 1520, 1544, 1906, 1930, 3088, 3667, 3812, 3860, 4765, 7334, 7624, 7720, 9530, 14668, 15248, 15440, 18107, 18335, 19060, 29336, 36214, 36670, 38120, 58672, 72428, 73340, 76240, 90535, 144856, 146680, 181070, 183929, 289712, 293360, 362140, 367858, 724280, 735716, 919645, 1448560, 1471432, 1839290, 2942864, 3494651, 3678580, 6989302, 7357160, 13978604, 14714320, 17473255, 27957208, 34946510, 55914416, 69893020, 139786040, 279572080]

約数ペア:

[(1, 279572080), (2, 139786040), (4, 69893020), (5, 55914416), (8, 34946510), (10, 27957208), (16, 17473255), (19, 14714320), (20, 13978604), (38, 7357160), (40, 6989302), (76, 3678580), (80, 3494651), (95, 2942864), (152, 1839290), (190, 1471432), (193, 1448560), (304, 919645), (380, 735716), (386, 724280), (760, 367858), (772, 362140), (953, 293360), (965, 289712), (1520, 183929), (1544, 181070), (1906, 146680), (1930, 144856), (3088, 90535), (3667, 76240), (3812, 73340), (3860, 72428), (4765, 58672), (7334, 38120), (7624, 36670), (7720, 36214), (9530, 29336), (14668, 19060), (15248, 18335), (15440, 18107)]