205422700

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 144

約数和(自身を含む): 534340800

約数和(自身を除く): 328918100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 53, 70, 98, 100, 106, 113, 140, 175, 196, 212, 226, 245, 265, 343, 350, 371, 452, 490, 530, 565, 686, 700, 742, 791, 980, 1060, 1130, 1225, 1325, 1372, 1484, 1582, 1715, 1855, 2260, 2450, 2597, 2650, 2825, 3164, 3430, 3710, 3955, 4900, 5194, 5300, 5537, 5650, 5989, 6860, 7420, 7910, 8575, 9275, 10388, 11074, 11300, 11978, 12985, 15820, 17150, 18179, 18550, 19775, 22148, 23956, 25970, 27685, 29945, 34300, 36358, 37100, 38759, 39550, 41923, 51940, 55370, 59890, 64925, 72716, 77518, 79100, 83846, 90895, 110740, 119780, 129850, 138425, 149725, 155036, 167692, 181790, 193795, 209615, 259700, 276850, 293461, 299450, 363580, 387590, 419230, 454475, 553700, 586922, 598900, 775180, 838460, 908950, 968975, 1048075, 1173844, 1467305, 1817900, 1937950, 2054227, 2096150, 2934610, 3875900, 4108454, 4192300, 5869220, 7336525, 8216908, 10271135, 14673050, 20542270, 29346100, 41084540, 51355675, 102711350, 205422700]

約数ペア:

[(1, 205422700), (2, 102711350), (4, 51355675), (5, 41084540), (7, 29346100), (10, 20542270), (14, 14673050), (20, 10271135), (25, 8216908), (28, 7336525), (35, 5869220), (49, 4192300), (50, 4108454), (53, 3875900), (70, 2934610), (98, 2096150), (100, 2054227), (106, 1937950), (113, 1817900), (140, 1467305), (175, 1173844), (196, 1048075), (212, 968975), (226, 908950), (245, 838460), (265, 775180), (343, 598900), (350, 586922), (371, 553700), (452, 454475), (490, 419230), (530, 387590), (565, 363580), (686, 299450), (700, 293461), (742, 276850), (791, 259700), (980, 209615), (1060, 193795), (1130, 181790), (1225, 167692), (1325, 155036), (1372, 149725), (1484, 138425), (1582, 129850), (1715, 119780), (1855, 110740), (2260, 90895), (2450, 83846), (2597, 79100), (2650, 77518), (2825, 72716), (3164, 64925), (3430, 59890), (3710, 55370), (3955, 51940), (4900, 41923), (5194, 39550), (5300, 38759), (5537, 37100), (5650, 36358), (5989, 34300), (6860, 29945), (7420, 27685), (7910, 25970), (8575, 23956), (9275, 22148), (10388, 19775), (11074, 18550), (11300, 18179), (11978, 17150), (12985, 15820)]