42207900

素因数分解:

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

素因数の和:324

約数の個数: 144

約数和(自身を含む): 141657600

約数和(自身を除く): 99449700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 101, 105, 140, 150, 175, 199, 202, 210, 300, 303, 350, 398, 404, 420, 505, 525, 597, 606, 700, 707, 796, 995, 1010, 1050, 1194, 1212, 1393, 1414, 1515, 1990, 2020, 2100, 2121, 2388, 2525, 2786, 2828, 2985, 3030, 3535, 3980, 4179, 4242, 4975, 5050, 5572, 5970, 6060, 6965, 7070, 7575, 8358, 8484, 9950, 10100, 10605, 11940, 13930, 14140, 14925, 15150, 16716, 17675, 19900, 20099, 20895, 21210, 27860, 29850, 30300, 34825, 35350, 40198, 41790, 42420, 53025, 59700, 60297, 69650, 70700, 80396, 83580, 100495, 104475, 106050, 120594, 139300, 140693, 200990, 208950, 212100, 241188, 281386, 301485, 401980, 417900, 422079, 502475, 562772, 602970, 703465, 844158, 1004950, 1205940, 1406930, 1507425, 1688316, 2009900, 2110395, 2813860, 3014850, 3517325, 4220790, 6029700, 7034650, 8441580, 10551975, 14069300, 21103950, 42207900]

約数ペア:

[(1, 42207900), (2, 21103950), (3, 14069300), (4, 10551975), (5, 8441580), (6, 7034650), (7, 6029700), (10, 4220790), (12, 3517325), (14, 3014850), (15, 2813860), (20, 2110395), (21, 2009900), (25, 1688316), (28, 1507425), (30, 1406930), (35, 1205940), (42, 1004950), (50, 844158), (60, 703465), (70, 602970), (75, 562772), (84, 502475), (100, 422079), (101, 417900), (105, 401980), (140, 301485), (150, 281386), (175, 241188), (199, 212100), (202, 208950), (210, 200990), (300, 140693), (303, 139300), (350, 120594), (398, 106050), (404, 104475), (420, 100495), (505, 83580), (525, 80396), (597, 70700), (606, 69650), (700, 60297), (707, 59700), (796, 53025), (995, 42420), (1010, 41790), (1050, 40198), (1194, 35350), (1212, 34825), (1393, 30300), (1414, 29850), (1515, 27860), (1990, 21210), (2020, 20895), (2100, 20099), (2121, 19900), (2388, 17675), (2525, 16716), (2786, 15150), (2828, 14925), (2985, 14140), (3030, 13930), (3535, 11940), (3980, 10605), (4179, 10100), (4242, 9950), (4975, 8484), (5050, 8358), (5572, 7575), (5970, 7070), (6060, 6965)]