11108920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 26956800

約数和(自身を除く): 15847880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 311, 376, 380, 470, 622, 760, 893, 940, 1244, 1555, 1786, 1880, 2488, 3110, 3572, 4465, 5909, 6220, 7144, 8930, 11818, 12440, 14617, 17860, 23636, 29234, 29545, 35720, 47272, 58468, 59090, 73085, 116936, 118180, 146170, 236360, 277723, 292340, 555446, 584680, 1110892, 1388615, 2221784, 2777230, 5554460, 11108920]

約数ペア:

[(1, 11108920), (2, 5554460), (4, 2777230), (5, 2221784), (8, 1388615), (10, 1110892), (19, 584680), (20, 555446), (38, 292340), (40, 277723), (47, 236360), (76, 146170), (94, 118180), (95, 116936), (152, 73085), (188, 59090), (190, 58468), (235, 47272), (311, 35720), (376, 29545), (380, 29234), (470, 23636), (622, 17860), (760, 14617), (893, 12440), (940, 11818), (1244, 8930), (1555, 7144), (1786, 6220), (1880, 5909), (2488, 4465), (3110, 3572)]