211394820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5531}}^1$

素因数の和:5570

約数の個数: 144

約数和(自身を含む): 741642048

約数和(自身を除く): 530247228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 5531, 6370, 7644, 9555, 11062, 12740, 16593, 19110, 22124, 27655, 33186, 38220, 38717, 55310, 66372, 71903, 77434, 82965, 110620, 116151, 143806, 154868, 165930, 193585, 215709, 232302, 271019, 287612, 331860, 359515, 387170, 431418, 464604, 503321, 542038, 580755, 719030, 774340, 813057, 862836, 1006642, 1078545, 1084076, 1161510, 1355095, 1438060, 1509963, 1626114, 2013284, 2157090, 2323020, 2516605, 2710190, 3019926, 3252228, 3523247, 4065285, 4314180, 5033210, 5420380, 6039852, 7046494, 7549815, 8130570, 10066420, 10569741, 14092988, 15099630, 16261140, 17616235, 21139482, 30199260, 35232470, 42278964, 52848705, 70464940, 105697410, 211394820]

約数ペア:

[(1, 211394820), (2, 105697410), (3, 70464940), (4, 52848705), (5, 42278964), (6, 35232470), (7, 30199260), (10, 21139482), (12, 17616235), (13, 16261140), (14, 15099630), (15, 14092988), (20, 10569741), (21, 10066420), (26, 8130570), (28, 7549815), (30, 7046494), (35, 6039852), (39, 5420380), (42, 5033210), (49, 4314180), (52, 4065285), (60, 3523247), (65, 3252228), (70, 3019926), (78, 2710190), (84, 2516605), (91, 2323020), (98, 2157090), (105, 2013284), (130, 1626114), (140, 1509963), (147, 1438060), (156, 1355095), (182, 1161510), (195, 1084076), (196, 1078545), (210, 1006642), (245, 862836), (260, 813057), (273, 774340), (294, 719030), (364, 580755), (390, 542038), (420, 503321), (455, 464604), (490, 431418), (546, 387170), (588, 359515), (637, 331860), (735, 287612), (780, 271019), (910, 232302), (980, 215709), (1092, 193585), (1274, 165930), (1365, 154868), (1470, 143806), (1820, 116151), (1911, 110620), (2548, 82965), (2730, 77434), (2940, 71903), (3185, 66372), (3822, 55310), (5460, 38717), (5531, 38220), (6370, 33186), (7644, 27655), (9555, 22124), (11062, 19110), (12740, 16593)]