221925900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:549

約数の個数: 216

約数和(自身を含む): 772617216

約数和(自身を除く): 550691316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 49, 50, 60, 62, 70, 75, 84, 93, 98, 100, 105, 124, 140, 147, 150, 155, 175, 186, 196, 210, 217, 245, 294, 300, 310, 350, 372, 420, 434, 465, 487, 490, 525, 588, 620, 651, 700, 735, 775, 868, 930, 974, 980, 1050, 1085, 1225, 1302, 1461, 1470, 1519, 1550, 1860, 1948, 2100, 2170, 2325, 2435, 2450, 2604, 2922, 2940, 3038, 3100, 3255, 3409, 3675, 4340, 4557, 4650, 4870, 4900, 5425, 5844, 6076, 6510, 6818, 7305, 7350, 7595, 9114, 9300, 9740, 10227, 10850, 12175, 13020, 13636, 14610, 14700, 15097, 15190, 16275, 17045, 18228, 20454, 21700, 22785, 23863, 24350, 29220, 30194, 30380, 32550, 34090, 36525, 37975, 40908, 45291, 45570, 47726, 48700, 51135, 60388, 65100, 68180, 71589, 73050, 75485, 75950, 85225, 90582, 91140, 95452, 102270, 105679, 113925, 119315, 143178, 146100, 150970, 151900, 170450, 181164, 204540, 211358, 226455, 227850, 238630, 255675, 286356, 301940, 317037, 340900, 357945, 377425, 422716, 452910, 455700, 477260, 511350, 528395, 596575, 634074, 715890, 739753, 754850, 905820, 1022700, 1056790, 1132275, 1193150, 1268148, 1431780, 1479506, 1509700, 1585185, 1789725, 2113580, 2219259, 2264550, 2386300, 2641975, 2959012, 3170370, 3579450, 3698765, 4438518, 4529100, 5283950, 6340740, 7158900, 7397530, 7925925, 8877036, 10567900, 11096295, 14795060, 15851850, 18493825, 22192590, 31703700, 36987650, 44385180, 55481475, 73975300, 110962950, 221925900]

約数ペア:

[(1, 221925900), (2, 110962950), (3, 73975300), (4, 55481475), (5, 44385180), (6, 36987650), (7, 31703700), (10, 22192590), (12, 18493825), (14, 15851850), (15, 14795060), (20, 11096295), (21, 10567900), (25, 8877036), (28, 7925925), (30, 7397530), (31, 7158900), (35, 6340740), (42, 5283950), (49, 4529100), (50, 4438518), (60, 3698765), (62, 3579450), (70, 3170370), (75, 2959012), (84, 2641975), (93, 2386300), (98, 2264550), (100, 2219259), (105, 2113580), (124, 1789725), (140, 1585185), (147, 1509700), (150, 1479506), (155, 1431780), (175, 1268148), (186, 1193150), (196, 1132275), (210, 1056790), (217, 1022700), (245, 905820), (294, 754850), (300, 739753), (310, 715890), (350, 634074), (372, 596575), (420, 528395), (434, 511350), (465, 477260), (487, 455700), (490, 452910), (525, 422716), (588, 377425), (620, 357945), (651, 340900), (700, 317037), (735, 301940), (775, 286356), (868, 255675), (930, 238630), (974, 227850), (980, 226455), (1050, 211358), (1085, 204540), (1225, 181164), (1302, 170450), (1461, 151900), (1470, 150970), (1519, 146100), (1550, 143178), (1860, 119315), (1948, 113925), (2100, 105679), (2170, 102270), (2325, 95452), (2435, 91140), (2450, 90582), (2604, 85225), (2922, 75950), (2940, 75485), (3038, 73050), (3100, 71589), (3255, 68180), (3409, 65100), (3675, 60388), (4340, 51135), (4557, 48700), (4650, 47726), (4870, 45570), (4900, 45291), (5425, 40908), (5844, 37975), (6076, 36525), (6510, 34090), (6818, 32550), (7305, 30380), (7350, 30194), (7595, 29220), (9114, 24350), (9300, 23863), (9740, 22785), (10227, 21700), (10850, 20454), (12175, 18228), (13020, 17045), (13636, 16275), (14610, 15190), (14700, 15097)]