221242350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1031

約数の個数: 144

約数和(自身を含む): 659529216

約数和(自身を除く): 438286866

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 31, 35, 42, 49, 50, 62, 70, 75, 93, 98, 105, 147, 150, 155, 175, 186, 210, 217, 245, 294, 310, 350, 434, 465, 490, 525, 651, 735, 775, 930, 971, 1050, 1085, 1225, 1302, 1470, 1519, 1550, 1942, 2170, 2325, 2450, 2913, 3038, 3255, 3675, 4557, 4650, 4855, 5425, 5826, 6510, 6797, 7350, 7595, 9114, 9710, 10850, 13594, 14565, 15190, 16275, 20391, 22785, 24275, 29130, 30101, 32550, 33985, 37975, 40782, 45570, 47579, 48550, 60202, 67970, 72825, 75950, 90303, 95158, 101955, 113925, 142737, 145650, 150505, 169925, 180606, 203910, 210707, 227850, 237895, 285474, 301010, 339850, 421414, 451515, 475790, 509775, 632121, 713685, 752525, 903030, 1019550, 1053535, 1189475, 1264242, 1427370, 1474949, 1505050, 2107070, 2257575, 2378950, 2949898, 3160605, 3568425, 4424847, 4515150, 5267675, 6321210, 7136850, 7374745, 8849694, 10535350, 14749490, 15803025, 22124235, 31606050, 36873725, 44248470, 73747450, 110621175, 221242350]

約数ペア:

[(1, 221242350), (2, 110621175), (3, 73747450), (5, 44248470), (6, 36873725), (7, 31606050), (10, 22124235), (14, 15803025), (15, 14749490), (21, 10535350), (25, 8849694), (30, 7374745), (31, 7136850), (35, 6321210), (42, 5267675), (49, 4515150), (50, 4424847), (62, 3568425), (70, 3160605), (75, 2949898), (93, 2378950), (98, 2257575), (105, 2107070), (147, 1505050), (150, 1474949), (155, 1427370), (175, 1264242), (186, 1189475), (210, 1053535), (217, 1019550), (245, 903030), (294, 752525), (310, 713685), (350, 632121), (434, 509775), (465, 475790), (490, 451515), (525, 421414), (651, 339850), (735, 301010), (775, 285474), (930, 237895), (971, 227850), (1050, 210707), (1085, 203910), (1225, 180606), (1302, 169925), (1470, 150505), (1519, 145650), (1550, 142737), (1942, 113925), (2170, 101955), (2325, 95158), (2450, 90303), (2913, 75950), (3038, 72825), (3255, 67970), (3675, 60202), (4557, 48550), (4650, 47579), (4855, 45570), (5425, 40782), (5826, 37975), (6510, 33985), (6797, 32550), (7350, 30101), (7595, 29130), (9114, 24275), (9710, 22785), (10850, 20391), (13594, 16275), (14565, 15190)]