358803920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{971}}^1$

素因数の和:1164

約数の個数: 80

約数和(自身を含む): 867801600

約数和(自身を除く): 508997680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 149, 155, 248, 298, 310, 496, 596, 620, 745, 971, 1192, 1240, 1490, 1942, 2384, 2480, 2980, 3884, 4619, 4855, 5960, 7768, 9238, 9710, 11920, 15536, 18476, 19420, 23095, 30101, 36952, 38840, 46190, 60202, 73904, 77680, 92380, 120404, 144679, 150505, 184760, 240808, 289358, 301010, 369520, 481616, 578716, 602020, 723395, 1157432, 1204040, 1446790, 2314864, 2408080, 2893580, 4485049, 5787160, 8970098, 11574320, 17940196, 22425245, 35880392, 44850490, 71760784, 89700980, 179401960, 358803920]

約数ペア:

[(1, 358803920), (2, 179401960), (4, 89700980), (5, 71760784), (8, 44850490), (10, 35880392), (16, 22425245), (20, 17940196), (31, 11574320), (40, 8970098), (62, 5787160), (80, 4485049), (124, 2893580), (149, 2408080), (155, 2314864), (248, 1446790), (298, 1204040), (310, 1157432), (496, 723395), (596, 602020), (620, 578716), (745, 481616), (971, 369520), (1192, 301010), (1240, 289358), (1490, 240808), (1942, 184760), (2384, 150505), (2480, 144679), (2980, 120404), (3884, 92380), (4619, 77680), (4855, 73904), (5960, 60202), (7768, 46190), (9238, 38840), (9710, 36952), (11920, 30101), (15536, 23095), (18476, 19420)]