189093940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1229}}^1$

素因数の和:1409

約数の個数: 72

約数和(自身を含む): 465249960

約数和(自身を除く): 276156020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 490, 628, 785, 980, 1099, 1229, 1570, 2198, 2458, 3140, 4396, 4916, 5495, 6145, 7693, 8603, 10990, 12290, 15386, 17206, 21980, 24580, 30772, 34412, 38465, 43015, 60221, 76930, 86030, 120442, 153860, 172060, 192953, 240884, 301105, 385906, 602210, 771812, 964765, 1204420, 1350671, 1929530, 2701342, 3859060, 5402684, 6753355, 9454697, 13506710, 18909394, 27013420, 37818788, 47273485, 94546970, 189093940]

約数ペア:

[(1, 189093940), (2, 94546970), (4, 47273485), (5, 37818788), (7, 27013420), (10, 18909394), (14, 13506710), (20, 9454697), (28, 6753355), (35, 5402684), (49, 3859060), (70, 2701342), (98, 1929530), (140, 1350671), (157, 1204420), (196, 964765), (245, 771812), (314, 602210), (490, 385906), (628, 301105), (785, 240884), (980, 192953), (1099, 172060), (1229, 153860), (1570, 120442), (2198, 86030), (2458, 76930), (3140, 60221), (4396, 43015), (4916, 38465), (5495, 34412), (6145, 30772), (7693, 24580), (8603, 21980), (10990, 17206), (12290, 15386)]