211729980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6547}}^1$

素因数の和:6584

約数の個数: 144

約数和(自身を含む): 752443776

約数和(自身を除く): 540713796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 735, 770, 924, 980, 1078, 1155, 1470, 1540, 1617, 2156, 2310, 2695, 2940, 3234, 4620, 5390, 6468, 6547, 8085, 10780, 13094, 16170, 19641, 26188, 32340, 32735, 39282, 45829, 65470, 72017, 78564, 91658, 98205, 130940, 137487, 144034, 183316, 196410, 216051, 229145, 274974, 288068, 320803, 360085, 392820, 432102, 458290, 504119, 549948, 641606, 687435, 720170, 864204, 916580, 962409, 1008238, 1080255, 1283212, 1374870, 1440340, 1512357, 1604015, 1924818, 2016476, 2160510, 2520595, 2749740, 3024714, 3208030, 3528833, 3849636, 4321020, 4812045, 5041190, 6049428, 6416060, 7057666, 7561785, 9624090, 10082380, 10586499, 14115332, 15123570, 17644165, 19248180, 21172998, 30247140, 35288330, 42345996, 52932495, 70576660, 105864990, 211729980]

約数ペア:

[(1, 211729980), (2, 105864990), (3, 70576660), (4, 52932495), (5, 42345996), (6, 35288330), (7, 30247140), (10, 21172998), (11, 19248180), (12, 17644165), (14, 15123570), (15, 14115332), (20, 10586499), (21, 10082380), (22, 9624090), (28, 7561785), (30, 7057666), (33, 6416060), (35, 6049428), (42, 5041190), (44, 4812045), (49, 4321020), (55, 3849636), (60, 3528833), (66, 3208030), (70, 3024714), (77, 2749740), (84, 2520595), (98, 2160510), (105, 2016476), (110, 1924818), (132, 1604015), (140, 1512357), (147, 1440340), (154, 1374870), (165, 1283212), (196, 1080255), (210, 1008238), (220, 962409), (231, 916580), (245, 864204), (294, 720170), (308, 687435), (330, 641606), (385, 549948), (420, 504119), (462, 458290), (490, 432102), (539, 392820), (588, 360085), (660, 320803), (735, 288068), (770, 274974), (924, 229145), (980, 216051), (1078, 196410), (1155, 183316), (1470, 144034), (1540, 137487), (1617, 130940), (2156, 98205), (2310, 91658), (2695, 78564), (2940, 72017), (3234, 65470), (4620, 45829), (5390, 39282), (6468, 32735), (6547, 32340), (8085, 26188), (10780, 19641), (13094, 16170)]