201361580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:376

約数の個数: 96

約数和(自身を含む): 498960000

約数和(自身を除く): 297598420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 197, 245, 298, 343, 394, 490, 596, 686, 745, 788, 980, 985, 1043, 1372, 1379, 1490, 1715, 1970, 2086, 2758, 2980, 3430, 3940, 4172, 5215, 5516, 6860, 6895, 7301, 9653, 10430, 13790, 14602, 19306, 20860, 27580, 29204, 29353, 36505, 38612, 48265, 51107, 58706, 67571, 73010, 96530, 102214, 117412, 135142, 146020, 146765, 193060, 204428, 205471, 255535, 270284, 293530, 337855, 410942, 511070, 587060, 675710, 821884, 1022140, 1027355, 1351420, 1438297, 2054710, 2876594, 4109420, 5753188, 7191485, 10068079, 14382970, 20136158, 28765940, 40272316, 50340395, 100680790, 201361580]

約数ペア:

[(1, 201361580), (2, 100680790), (4, 50340395), (5, 40272316), (7, 28765940), (10, 20136158), (14, 14382970), (20, 10068079), (28, 7191485), (35, 5753188), (49, 4109420), (70, 2876594), (98, 2054710), (140, 1438297), (149, 1351420), (196, 1027355), (197, 1022140), (245, 821884), (298, 675710), (343, 587060), (394, 511070), (490, 410942), (596, 337855), (686, 293530), (745, 270284), (788, 255535), (980, 205471), (985, 204428), (1043, 193060), (1372, 146765), (1379, 146020), (1490, 135142), (1715, 117412), (1970, 102214), (2086, 96530), (2758, 73010), (2980, 67571), (3430, 58706), (3940, 51107), (4172, 48265), (5215, 38612), (5516, 36505), (6860, 29353), (6895, 29204), (7301, 27580), (9653, 20860), (10430, 19306), (13790, 14602)]