28188300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:488

約数の個数: 144

約数和(自身を含む): 96438272

約数和(自身を除く): 68249972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 140, 150, 155, 175, 186, 210, 217, 300, 310, 350, 372, 420, 433, 434, 465, 525, 620, 651, 700, 775, 866, 868, 930, 1050, 1085, 1299, 1302, 1550, 1732, 1860, 2100, 2165, 2170, 2325, 2598, 2604, 3031, 3100, 3255, 4330, 4340, 4650, 5196, 5425, 6062, 6495, 6510, 8660, 9093, 9300, 10825, 10850, 12124, 12990, 13020, 13423, 15155, 16275, 18186, 21650, 21700, 25980, 26846, 30310, 32475, 32550, 36372, 40269, 43300, 45465, 53692, 60620, 64950, 65100, 67115, 75775, 80538, 90930, 93961, 129900, 134230, 151550, 161076, 181860, 187922, 201345, 227325, 268460, 281883, 303100, 335575, 375844, 402690, 454650, 469805, 563766, 671150, 805380, 909300, 939610, 1006725, 1127532, 1342300, 1409415, 1879220, 2013450, 2349025, 2818830, 4026900, 4698050, 5637660, 7047075, 9396100, 14094150, 28188300]

約数ペア:

[(1, 28188300), (2, 14094150), (3, 9396100), (4, 7047075), (5, 5637660), (6, 4698050), (7, 4026900), (10, 2818830), (12, 2349025), (14, 2013450), (15, 1879220), (20, 1409415), (21, 1342300), (25, 1127532), (28, 1006725), (30, 939610), (31, 909300), (35, 805380), (42, 671150), (50, 563766), (60, 469805), (62, 454650), (70, 402690), (75, 375844), (84, 335575), (93, 303100), (100, 281883), (105, 268460), (124, 227325), (140, 201345), (150, 187922), (155, 181860), (175, 161076), (186, 151550), (210, 134230), (217, 129900), (300, 93961), (310, 90930), (350, 80538), (372, 75775), (420, 67115), (433, 65100), (434, 64950), (465, 60620), (525, 53692), (620, 45465), (651, 43300), (700, 40269), (775, 36372), (866, 32550), (868, 32475), (930, 30310), (1050, 26846), (1085, 25980), (1299, 21700), (1302, 21650), (1550, 18186), (1732, 16275), (1860, 15155), (2100, 13423), (2165, 13020), (2170, 12990), (2325, 12124), (2598, 10850), (2604, 10825), (3031, 9300), (3100, 9093), (3255, 8660), (4330, 6510), (4340, 6495), (4650, 6062), (5196, 5425)]