425631640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{547}}^1$

素因数の和:969

約数の個数: 96

約数和(自身を含む): 1118873520

約数和(自身を除く): 693241880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 397, 490, 547, 794, 980, 1094, 1588, 1960, 1985, 2188, 2735, 2779, 3176, 3829, 3970, 4376, 5470, 5558, 7658, 7940, 10940, 11116, 13895, 15316, 15880, 19145, 19453, 21880, 22232, 26803, 27790, 30632, 38290, 38906, 53606, 55580, 76580, 77812, 97265, 107212, 111160, 134015, 153160, 155624, 194530, 214424, 217159, 268030, 389060, 434318, 536060, 778120, 868636, 1072120, 1085795, 1520113, 1737272, 2171590, 3040226, 4343180, 6080452, 7600565, 8686360, 10640791, 12160904, 15201130, 21281582, 30402260, 42563164, 53203955, 60804520, 85126328, 106407910, 212815820, 425631640]

約数ペア:

[(1, 425631640), (2, 212815820), (4, 106407910), (5, 85126328), (7, 60804520), (8, 53203955), (10, 42563164), (14, 30402260), (20, 21281582), (28, 15201130), (35, 12160904), (40, 10640791), (49, 8686360), (56, 7600565), (70, 6080452), (98, 4343180), (140, 3040226), (196, 2171590), (245, 1737272), (280, 1520113), (392, 1085795), (397, 1072120), (490, 868636), (547, 778120), (794, 536060), (980, 434318), (1094, 389060), (1588, 268030), (1960, 217159), (1985, 214424), (2188, 194530), (2735, 155624), (2779, 153160), (3176, 134015), (3829, 111160), (3970, 107212), (4376, 97265), (5470, 77812), (5558, 76580), (7658, 55580), (7940, 53606), (10940, 38906), (11116, 38290), (13895, 30632), (15316, 27790), (15880, 26803), (19145, 22232), (19453, 21880)]