2019671320

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1\times {\mathrm{907}}^1$

素因数の和:1408

約数の個数: 64

約数和(自身を含む): 4589395200

約数和(自身を除く): 2569723880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 311, 358, 622, 716, 895, 907, 1244, 1432, 1555, 1790, 1814, 2488, 3110, 3580, 3628, 4535, 6220, 7160, 7256, 9070, 12440, 18140, 36280, 55669, 111338, 162353, 222676, 278345, 282077, 324706, 445352, 556690, 564154, 649412, 811765, 1113380, 1128308, 1298824, 1410385, 1623530, 2226760, 2256616, 2820770, 3247060, 5641540, 6494120, 11283080, 50491783, 100983566, 201967132, 252458915, 403934264, 504917830, 1009835660, 2019671320]

約数ペア:

[(1, 2019671320), (2, 1009835660), (4, 504917830), (5, 403934264), (8, 252458915), (10, 201967132), (20, 100983566), (40, 50491783), (179, 11283080), (311, 6494120), (358, 5641540), (622, 3247060), (716, 2820770), (895, 2256616), (907, 2226760), (1244, 1623530), (1432, 1410385), (1555, 1298824), (1790, 1128308), (1814, 1113380), (2488, 811765), (3110, 649412), (3580, 564154), (3628, 556690), (4535, 445352), (6220, 324706), (7160, 282077), (7256, 278345), (9070, 222676), (12440, 162353), (18140, 111338), (36280, 55669)]