219550380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1409}}^1$

素因数の和:1488

約数の個数: 144

約数和(自身を含む): 729116640

約数和(自身を除く): 509566260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 210, 212, 245, 265, 294, 318, 371, 420, 490, 530, 588, 636, 735, 742, 795, 980, 1060, 1113, 1409, 1470, 1484, 1590, 1855, 2226, 2597, 2818, 2940, 3180, 3710, 4227, 4452, 5194, 5565, 5636, 7045, 7420, 7791, 8454, 9863, 10388, 11130, 12985, 14090, 15582, 16908, 19726, 21135, 22260, 25970, 28180, 29589, 31164, 38955, 39452, 42270, 49315, 51940, 59178, 69041, 74677, 77910, 84540, 98630, 118356, 138082, 147945, 149354, 155820, 197260, 207123, 224031, 276164, 295890, 298708, 345205, 373385, 414246, 448062, 522739, 591780, 690410, 746770, 828492, 896124, 1035615, 1045478, 1120155, 1380820, 1493540, 1568217, 2071230, 2090956, 2240310, 2613695, 3136434, 3659173, 4142460, 4480620, 5227390, 6272868, 7318346, 7841085, 10454780, 10977519, 14636692, 15682170, 18295865, 21955038, 31364340, 36591730, 43910076, 54887595, 73183460, 109775190, 219550380]

約数ペア:

[(1, 219550380), (2, 109775190), (3, 73183460), (4, 54887595), (5, 43910076), (6, 36591730), (7, 31364340), (10, 21955038), (12, 18295865), (14, 15682170), (15, 14636692), (20, 10977519), (21, 10454780), (28, 7841085), (30, 7318346), (35, 6272868), (42, 5227390), (49, 4480620), (53, 4142460), (60, 3659173), (70, 3136434), (84, 2613695), (98, 2240310), (105, 2090956), (106, 2071230), (140, 1568217), (147, 1493540), (159, 1380820), (196, 1120155), (210, 1045478), (212, 1035615), (245, 896124), (265, 828492), (294, 746770), (318, 690410), (371, 591780), (420, 522739), (490, 448062), (530, 414246), (588, 373385), (636, 345205), (735, 298708), (742, 295890), (795, 276164), (980, 224031), (1060, 207123), (1113, 197260), (1409, 155820), (1470, 149354), (1484, 147945), (1590, 138082), (1855, 118356), (2226, 98630), (2597, 84540), (2818, 77910), (2940, 74677), (3180, 69041), (3710, 59178), (4227, 51940), (4452, 49315), (5194, 42270), (5565, 39452), (5636, 38955), (7045, 31164), (7420, 29589), (7791, 28180), (8454, 25970), (9863, 22260), (10388, 21135), (11130, 19726), (12985, 16908), (14090, 15582)]