210933920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 549545472

約数和(自身を除く): 338611552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 43, 46, 62, 80, 86, 92, 115, 124, 155, 160, 172, 184, 215, 230, 248, 310, 344, 368, 430, 460, 496, 620, 688, 713, 736, 860, 920, 989, 992, 1240, 1333, 1376, 1426, 1720, 1840, 1849, 1978, 2480, 2666, 2852, 3440, 3565, 3680, 3698, 3956, 4945, 4960, 5332, 5704, 6665, 6880, 7130, 7396, 7912, 9245, 9890, 10664, 11408, 13330, 14260, 14792, 15824, 18490, 19780, 21328, 22816, 26660, 28520, 29584, 30659, 31648, 36980, 39560, 42527, 42656, 53320, 57040, 57319, 59168, 61318, 73960, 79120, 85054, 106640, 114080, 114638, 122636, 147920, 153295, 158240, 170108, 212635, 213280, 229276, 245272, 286595, 295840, 306590, 340216, 425270, 458552, 490544, 573190, 613180, 680432, 850540, 917104, 981088, 1146380, 1226360, 1318337, 1360864, 1701080, 1834208, 2292760, 2452720, 2636674, 3402160, 4585520, 4905440, 5273348, 6591685, 6804320, 9171040, 10546696, 13183370, 21093392, 26366740, 42186784, 52733480, 105466960, 210933920]

約数ペア:

[(1, 210933920), (2, 105466960), (4, 52733480), (5, 42186784), (8, 26366740), (10, 21093392), (16, 13183370), (20, 10546696), (23, 9171040), (31, 6804320), (32, 6591685), (40, 5273348), (43, 4905440), (46, 4585520), (62, 3402160), (80, 2636674), (86, 2452720), (92, 2292760), (115, 1834208), (124, 1701080), (155, 1360864), (160, 1318337), (172, 1226360), (184, 1146380), (215, 981088), (230, 917104), (248, 850540), (310, 680432), (344, 613180), (368, 573190), (430, 490544), (460, 458552), (496, 425270), (620, 340216), (688, 306590), (713, 295840), (736, 286595), (860, 245272), (920, 229276), (989, 213280), (992, 212635), (1240, 170108), (1333, 158240), (1376, 153295), (1426, 147920), (1720, 122636), (1840, 114638), (1849, 114080), (1978, 106640), (2480, 85054), (2666, 79120), (2852, 73960), (3440, 61318), (3565, 59168), (3680, 57319), (3698, 57040), (3956, 53320), (4945, 42656), (4960, 42527), (5332, 39560), (5704, 36980), (6665, 31648), (6880, 30659), (7130, 29584), (7396, 28520), (7912, 26660), (9245, 22816), (9890, 21328), (10664, 19780), (11408, 18490), (13330, 15824), (14260, 14792)]