211988140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{433}}^1$

素因数の和:731

約数の個数: 96

約数和(自身を含む): 551214720

約数和(自身を除く): 339226580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 269, 364, 433, 455, 538, 866, 910, 1076, 1345, 1732, 1820, 1883, 2165, 2690, 3031, 3497, 3766, 4330, 5380, 5629, 6062, 6994, 7532, 8660, 9415, 11258, 12124, 13988, 15155, 17485, 18830, 22516, 24479, 28145, 30310, 34970, 37660, 39403, 48958, 56290, 60620, 69940, 78806, 97916, 112580, 116477, 122395, 157612, 197015, 232954, 244790, 394030, 465908, 489580, 582385, 788060, 815339, 1164770, 1514201, 1630678, 2329540, 3028402, 3261356, 4076695, 6056804, 7571005, 8153390, 10599407, 15142010, 16306780, 21198814, 30284020, 42397628, 52997035, 105994070, 211988140]

約数ペア:

[(1, 211988140), (2, 105994070), (4, 52997035), (5, 42397628), (7, 30284020), (10, 21198814), (13, 16306780), (14, 15142010), (20, 10599407), (26, 8153390), (28, 7571005), (35, 6056804), (52, 4076695), (65, 3261356), (70, 3028402), (91, 2329540), (130, 1630678), (140, 1514201), (182, 1164770), (260, 815339), (269, 788060), (364, 582385), (433, 489580), (455, 465908), (538, 394030), (866, 244790), (910, 232954), (1076, 197015), (1345, 157612), (1732, 122395), (1820, 116477), (1883, 112580), (2165, 97916), (2690, 78806), (3031, 69940), (3497, 60620), (3766, 56290), (4330, 48958), (5380, 39403), (5629, 37660), (6062, 34970), (6994, 30310), (7532, 28145), (8660, 24479), (9415, 22516), (11258, 18830), (12124, 17485), (13988, 15155)]