25324740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 89107200

約数和(自身を除く): 63782460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 101, 105, 126, 140, 180, 199, 202, 210, 252, 303, 315, 398, 404, 420, 505, 597, 606, 630, 707, 796, 909, 995, 1010, 1194, 1212, 1260, 1393, 1414, 1515, 1791, 1818, 1990, 2020, 2121, 2388, 2786, 2828, 2985, 3030, 3535, 3582, 3636, 3980, 4179, 4242, 4545, 5572, 5970, 6060, 6363, 6965, 7070, 7164, 8358, 8484, 8955, 9090, 10605, 11940, 12537, 12726, 13930, 14140, 16716, 17910, 18180, 20099, 20895, 21210, 25074, 25452, 27860, 31815, 35820, 40198, 41790, 42420, 50148, 60297, 62685, 63630, 80396, 83580, 100495, 120594, 125370, 127260, 140693, 180891, 200990, 241188, 250740, 281386, 301485, 361782, 401980, 422079, 562772, 602970, 703465, 723564, 844158, 904455, 1205940, 1266237, 1406930, 1688316, 1808910, 2110395, 2532474, 2813860, 3617820, 4220790, 5064948, 6331185, 8441580, 12662370, 25324740]

約数ペア:

[(1, 25324740), (2, 12662370), (3, 8441580), (4, 6331185), (5, 5064948), (6, 4220790), (7, 3617820), (9, 2813860), (10, 2532474), (12, 2110395), (14, 1808910), (15, 1688316), (18, 1406930), (20, 1266237), (21, 1205940), (28, 904455), (30, 844158), (35, 723564), (36, 703465), (42, 602970), (45, 562772), (60, 422079), (63, 401980), (70, 361782), (84, 301485), (90, 281386), (101, 250740), (105, 241188), (126, 200990), (140, 180891), (180, 140693), (199, 127260), (202, 125370), (210, 120594), (252, 100495), (303, 83580), (315, 80396), (398, 63630), (404, 62685), (420, 60297), (505, 50148), (597, 42420), (606, 41790), (630, 40198), (707, 35820), (796, 31815), (909, 27860), (995, 25452), (1010, 25074), (1194, 21210), (1212, 20895), (1260, 20099), (1393, 18180), (1414, 17910), (1515, 16716), (1791, 14140), (1818, 13930), (1990, 12726), (2020, 12537), (2121, 11940), (2388, 10605), (2786, 9090), (2828, 8955), (2985, 8484), (3030, 8358), (3535, 7164), (3582, 7070), (3636, 6965), (3980, 6363), (4179, 6060), (4242, 5970), (4545, 5572)]