1981685590

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{373}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 3739006656

約数和(自身を除く): 1757321066

約数列:

[1, 2, 5, 10, 37, 74, 83, 166, 173, 185, 346, 370, 373, 415, 746, 830, 865, 1730, 1865, 3071, 3730, 6142, 6401, 12802, 13801, 14359, 15355, 27602, 28718, 30710, 30959, 32005, 61918, 64010, 64529, 69005, 71795, 129058, 138010, 143590, 154795, 309590, 322645, 531283, 645290, 1062566, 1145483, 2290966, 2387573, 2656415, 4775146, 5312830, 5355907, 5727415, 10711814, 11454830, 11937865, 23875730, 26779535, 53559070, 198168559, 396337118, 990842795, 1981685590]

約数ペア:

[(1, 1981685590), (2, 990842795), (5, 396337118), (10, 198168559), (37, 53559070), (74, 26779535), (83, 23875730), (166, 11937865), (173, 11454830), (185, 10711814), (346, 5727415), (370, 5355907), (373, 5312830), (415, 4775146), (746, 2656415), (830, 2387573), (865, 2290966), (1730, 1145483), (1865, 1062566), (3071, 645290), (3730, 531283), (6142, 322645), (6401, 309590), (12802, 154795), (13801, 143590), (14359, 138010), (15355, 129058), (27602, 71795), (28718, 69005), (30710, 64529), (30959, 64010), (32005, 61918)]