841539020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2143

約数の個数: 96

約数和(自身を含む): 2107392000

約数和(自身を除く): 1265852980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 97, 124, 140, 155, 194, 217, 310, 388, 434, 485, 620, 679, 868, 970, 1085, 1358, 1940, 1999, 2170, 2716, 3007, 3395, 3998, 4340, 6014, 6790, 7996, 9995, 12028, 13580, 13993, 15035, 19990, 21049, 27986, 30070, 39980, 42098, 55972, 60140, 61969, 69965, 84196, 105245, 123938, 139930, 193903, 210490, 247876, 279860, 309845, 387806, 420980, 433783, 619690, 775612, 867566, 969515, 1239380, 1357321, 1735132, 1939030, 2168915, 2714642, 3878060, 4337830, 5429284, 6010993, 6786605, 8675660, 12021986, 13573210, 24043972, 27146420, 30054965, 42076951, 60109930, 84153902, 120219860, 168307804, 210384755, 420769510, 841539020]

約数ペア:

[(1, 841539020), (2, 420769510), (4, 210384755), (5, 168307804), (7, 120219860), (10, 84153902), (14, 60109930), (20, 42076951), (28, 30054965), (31, 27146420), (35, 24043972), (62, 13573210), (70, 12021986), (97, 8675660), (124, 6786605), (140, 6010993), (155, 5429284), (194, 4337830), (217, 3878060), (310, 2714642), (388, 2168915), (434, 1939030), (485, 1735132), (620, 1357321), (679, 1239380), (868, 969515), (970, 867566), (1085, 775612), (1358, 619690), (1940, 433783), (1999, 420980), (2170, 387806), (2716, 309845), (3007, 279860), (3395, 247876), (3998, 210490), (4340, 193903), (6014, 139930), (6790, 123938), (7996, 105245), (9995, 84196), (12028, 69965), (13580, 61969), (13993, 60140), (15035, 55972), (19990, 42098), (21049, 39980), (27986, 30070)]