266947100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:532

約数の個数: 108

約数和(自身を含む): 680097096

約数和(自身を除く): 413149996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 157, 175, 196, 245, 314, 347, 350, 490, 628, 694, 700, 785, 980, 1099, 1225, 1388, 1570, 1735, 2198, 2429, 2450, 3140, 3470, 3925, 4396, 4858, 4900, 5495, 6940, 7693, 7850, 8675, 9716, 10990, 12145, 15386, 15700, 17003, 17350, 21980, 24290, 27475, 30772, 34006, 34700, 38465, 48580, 54479, 54950, 60725, 68012, 76930, 85015, 108958, 109900, 121450, 153860, 170030, 192325, 217916, 242900, 272395, 340060, 381353, 384650, 425075, 544790, 762706, 769300, 850150, 1089580, 1361975, 1525412, 1700300, 1906765, 2669471, 2723950, 3813530, 5338942, 5447900, 7627060, 9533825, 10677884, 13347355, 19067650, 26694710, 38135300, 53389420, 66736775, 133473550, 266947100]

約数ペア:

[(1, 266947100), (2, 133473550), (4, 66736775), (5, 53389420), (7, 38135300), (10, 26694710), (14, 19067650), (20, 13347355), (25, 10677884), (28, 9533825), (35, 7627060), (49, 5447900), (50, 5338942), (70, 3813530), (98, 2723950), (100, 2669471), (140, 1906765), (157, 1700300), (175, 1525412), (196, 1361975), (245, 1089580), (314, 850150), (347, 769300), (350, 762706), (490, 544790), (628, 425075), (694, 384650), (700, 381353), (785, 340060), (980, 272395), (1099, 242900), (1225, 217916), (1388, 192325), (1570, 170030), (1735, 153860), (2198, 121450), (2429, 109900), (2450, 108958), (3140, 85015), (3470, 76930), (3925, 68012), (4396, 60725), (4858, 54950), (4900, 54479), (5495, 48580), (6940, 38465), (7693, 34700), (7850, 34006), (8675, 30772), (9716, 27475), (10990, 24290), (12145, 21980), (15386, 17350), (15700, 17003)]